The race among global firms to launch its respective products and services into the market sooner than the competitors puts pressure to equip its employees with job-related skills at the pace of business. Today’s global and dynamic business requires employees to develop highly complex cognitive skills such as decision-making, problem-solving, troubleshooting to perform their jobs proficiently. Traditional training models used by some organizations lead to a very slow speed at which employees gain an acceptable level of proficiency in the (...) targeted job skills. Also, these models have long and regimented instructional development cycle. Thus, traditional models are inherently counter-productive to the business and do not enable employees and organizations for today’s business needs. Therefore, business organizations need to explore new training models and strategies that could reduce the time an employee takes to reach target proficiency in complex skills without compromising the effectiveness or outcome. A comprehensive review of the literature shows a very limited amount of academic or practitioner research on this topic. This doctorate research study aims to find various training strategies that have proven successful in organizations for accelerating proficiency of employees in complex job skills. The researcher collected data primarily through 74 in-depth interviews with 86 training experts with known work experience of reducing time-to-proficiency in various settings. A total of 105 project cases have been collected across 42 industries to date. A grounded theory approach with constant comparison method is used to guide the theoretical saturation, analyze the data and to develop a theoretical model of training strategies. This unique study revealed a range of training strategies from non-training solutions to classroom instructions to workplace training to accelerate proficiency of employees in acquiring complex skills. This paper will specifically report the preliminary findings and conceptual model of major classroom-based instructional strategies only that has been found to hold the potential to shorten time-to-proficiency of employees at the workplace. This paper will also discuss the implications of the findings for the practitioners. Results in this study confirmed that classroom-based instructional strategies need to be designed and delivered the way the work is being performed in reality by the learners. Research findings suggest a pattern of five classroom-based instructional strategies that are more successful in reducing time-to-proficiency - 1) Contextualized learning 2) Performance analysis of star performer 3) Active processing and emotional involvement 4) Access to self-guided learning resources 5) Social interconnectivity and informal learning. (shrink)

Most models of response time (RT) in elementary cognitive tasks implicitly assume that the speed-accuracy trade-off is continuous: When payoffs or instructions gradually increase the level of speed stress, people are assumed to gradually sacrifice response accuracy in exchange for gradual increases in response speed. This trade-off presumably operates over the entire range from accurate but slow responding to fast but chance-level responding (i.e., guessing). In this article, we challenge the assumption of continuity and propose a (...) phase transition model for RTs and accuracy. Analogous to the fast guess model (Ollman, 1966), our model postulates two modes of processing: a guess mode and a stimulus-controlled mode. From catastrophe theory, we derive two important predictions that allow us to test our model against the fast guess model and against the popular class of sequential sampling models. The first prediction—hysteresis in the transitions between guessing and stimulus-controlled behavior—was confirmed in an experiment that gradually changed the reward for speed versus accuracy. The second prediction—bimodal RT distributions—was confirmed in an experiment that required participants to respond in a way that is intermediate between guessing and accurate responding. (shrink)

Following the COVID-19 pandemic, online learning has become a new mode of learning that students must adapt to. However, the mechanisms by which students receive and grasp knowledge in the online learning mode remain unknown. Cognitive load theory offers instructions to students considering the knowledge of human cognition. Therefore, this study considers the CLT to explore the internal mechanism of learning under the online mode in an experimental study. We recruited 76 undergraduates and randomly assigned them to four groups (...) in which they will watch videos at four different kinds of speed. The study observed and analyzed how video playback speed affected students' learning and cognitive load to obtain the following results: Video playback speed significantly influenced the students' learning effect. The best effect was observed at the speed of 1.25× and 1.5×. The speed that affected the learning effect best differed according to the students' learning abilities. High-level group students performed best at the speed of 1.5×, whereas low-level group students performed best at the speed of 1.25×. The 1.5× speed showed significant differences in the learning effect by students' majors. This indicates that the cognitive load of liberal arts students increased greatly at this speed. A change in playback speed has a significant impact on the cognitive load. Accelerated playback speed increases the cognitive load of students. The highest learning effect is observed under medium cognitive load. (shrink)

In two studies of a GO–NOGO task assessing sustained attention, we examined the effects of altering speed–accuracy trade-offs through instructions and auditory alerts distributed throughout the task. Instructions emphasizing accuracy reduced errors and changed the distribution of GO trial RTs. Additionally, correlations between errors and increasing RTs produced a U-function; excessively fast and slow RTs accounted for much of the variance of errors. Contrary to previous reports, alerts increased errors and RT variability. The results suggest that standard (...) instructions for sustained attention tasks, emphasizing speed and accuracy equally, produce errors arising from attempts to conform to the misleading requirement for speed, which become conflated with attention-lapse produced errors and auditory alerts have complex, and sometimes deleterious, effects on attention. We argue that instructions emphasizing accuracy provide a more precise assessment of attention lapses in sustained attention tasks. (shrink)

We sought to gain more insight into the effects of attention focus and time constraints on skill learning and performance in novices and experts by means of two complementary experiments using a table tennis paradigm. Experiment 1 showed that skill-focus conditions and slowed ball frequency disrupted the accuracy of experts, but dual-task conditions and speeded ball frequency did not. For novices, only speeded ball frequency disrupted accuracy. In Experiment 2, we extended these findings by instructing novices either explicitly or by (...) analogy . Explicitly instructed novices were less accurate in skill-focused and dual-task conditions than in single-task conditions. Following analogy instruction novices were less accurate in the skill-focused condition, but maintained accuracy under dual-task conditions. Participants in both conditions retained accuracy when ball frequency was slowed, but lost accuracy when ball frequency was speeded, suggesting that not attention, but motor dexterity, was inadequate under high temporal constraints. (shrink)

This book deals with solving a pressing organizational challenge of bringing employees up to speed faster. In the fast-paced business world, organizations need faster readiness of employees to handle the complex responsibilities of their jobs. The author conducted an extensive doctoral research study with 85 global experts across 66 project cases to explore the practices and strategies that were proven to reduce time to proficiency of employees in a range of organizations worldwide. This book provides the readers with a (...) first-hand account of findings exclusively related to training and learning strategies, instructional methods, and curriculum design. This book delivers over 21 training and learning strategies across online learning, classroom instructions, and on-the-job learning. These strategies will allow training designers and learning specialists to design workplace training programs that hold the potential to shorten time to proficiency of employees. The book not only describes findings of the study and theoretical underpinnings, but it also provides practical guidance for implementation to equip corporate learning specialists, HR professionals, training leaders, performance consultants, and direct managers. (shrink)

Instruction in peer assessment of complex task performance may cause high cognitive load, impairing learning. A stepwise instructional strategy aimed at reducing cognitive load was investigated by comparing it with a combined instructional strategy in an experiment with 128 secondary school students (mean age 14.0?years; 45.2% male) with the between-subjects factor instruction (stepwise, combined). In the stepwise condition, study tasks in Phase 1 were domain-specific and study tasks in Phase 2 had both domain-specific and peer assessment components. In the combined (...) condition, these two components were present in all tasks in both phases. Final performance (i.e. speed and accuracy in domain-specific skills and peer assessment skills) showed no significant differences, but performance improved more from Phase 1 to Phase 2 in the stepwise condition than in the combined condition. The results suggest that, with complex study tasks, it might be beneficial to teach domain-specific skills before peer assessment skills. (shrink)

The appropriate methodology for psychological research depends on whether one is studying mental algorithms or their implementation. Mental algorithms are abstract specifications of the steps taken by procedures that run in the mind. Implementational issues concern the speed and reliability of these procedures. The algorithmic level can be explored only by studying across-task variation. This contrasts with psychology's dominant methodology of looking for within-task generalities, which is appropriate only for studying implementational issues.The implementation-algorithm distinction is related to a number (...) of other “levels” considered in cognitive science. Its realization in Anderson's ACT theory of cognition is discussed. Research at the algorithmic level is more promising because it is hard to make further fundamental scientific progress at the implementational level with the methodologies available. Protocol data, which are appropriate only for algorithm-level theories, provide a richer source than data at the implementational level. Research at the algorithmic level will also yield more insight into fundamental properties of human knowledge because it is the level at which significant learning transitions are defined.The best way to study the algorithmic level is to look for differential learning outcomes in pedagogical experiments that manipulate instructional experience. This provides control and prediction in realistically complex learning situations. The intelligent tutoring paradigm provides a particularly fruitful way to implement such experiments.The implications of this analysis for the issue of modularity of mind, the status of language, research on human/computer interaction, and connectionist models are also examined. (shrink)

The author of the article points out the lack of importance given to the driver personality in Russia in development of the measures to ensure traffic safety. The significance of the role of the personal and social factors for accident-free driving is justified by the experience of Western countries in general and by studies in the field of traffic psychology in particular. The accident abilities of the driver are viewed as having special importance. In the article, the grounds for designing (...) and carrying out experiments on the measurement of such accident abilities component as a sense of danger are given. The experiment was constructed by analogy of T. N. Zhurina, N. V. Zhurin, and S. A. Eliseev experiment, but it was adapted to the conditions and requirements of the driver’s activities. The experiment simulates the process of driving, including the activity of driver and communication. Scooter is used instead of the vehicle. Subjects were given instructions to drive a scooter with a maximum speed through the gate. The distance between the posts changes at the different stages of the experiment. The role of the posts was played by subjects of the experiment too. The trial experiment was conducted on a group of children 10-11 years old. The video was used to fix the process of movement and behavioral reactions of the subjects. The first approximate criteria for assessing driver accident abilities were obtained in the process of observation and analysis of the video. These criteria are the minimum distance between the posts, specificity in application of braking, and the emotions experienced by the subjects acting accordingly to the instructions. It is assumed that subjects driving without braking through the posts located at a minimum distance have a poorly developed sense of danger. They caused stress, tension, and fear in subjects standing as posts, but consider their own actions as safe. (shrink)

In a task requiring speeded bidirectional responses to arrow symbols , “free choice” responses to interspersed bidirectional stimuli are influenced by masked directional primes . By varying stimulus–response compatibility, we tested whether this priming effect is mediated by the conscious instructional set, or instead by pre-existing directional associations to the symbols. In two experiments, one group of participants was instructed to respond with the hand consistent with the implied direction of the arrow symbols, while another group was instructed to make (...) the spatially opposite responses. Both groups showed priming of “free choice” responses. However, such priming was always biased according to the instructional set rather than pre-existing associations. Subliminal priming of “free choice” responses therefore depends on conscious task goals. (shrink)

Commonsense reasoning about the physical world, as exemplified by "Iron sinks in water" or "If a ball is dropped it gains speed," will be indispensable in future programs. We argue that to make such predictions (namely, envisioning), programs should use abstract entities (such as the gravitational field), principles (such as the principle of superposition), and laws (such as the conservation of energy) of physics for representation and reasoning. These arguments are in accord with a recent study in physics instruction (...) where expert problem solving is related to the construction of physical representations that contain fictitious, imagined entities such as forces and momenta (Larkin 1983). We give several examples showing the power of physical representations. (shrink)

The valence–arousal conflict theory assumes that both valence and arousal will trigger approaching or withdrawing tendencies. It also predicts that the speed of processing emotional stimuli will depend on whether valence and arousal trigger conflicting or congruent motivational tendencies. However, most previous studies have provided evidence of the interaction between valence and arousal only, and have not provided direct proof of the interactive links between valence, arousal and motivational tendencies. The present study provides direct evidence for the relationship between (...) approach–withdrawal tendencies and the valence–arousal conflict. In an empirical test, participants were instructed to judge the valence of emotional words after visual–spatial cues that appeared to be either approaching or withdrawing from participants. A three-way interaction was observed such that the response time was shorter if participants responded to a negative high-arousal stimulus after a withdrawing cue, or to a positive low-arousal stimulus after an approaching cue. These findings suggest that the approach–withdrawal tendency indeed plays a crucial role in valence–arousal conflict, and that the effect depends on the congruency of valence, arousal and tendency at an early stage of processing. (shrink)

The effect of state anxiety on analogical reasoning was investigated by examining qualitative differences in mapping performance between anxious and non-anxious individuals reasoning about pictorial analogies. The working-memory restriction theory of anxiety, coupled with theories of analogy that link complexity of mapping with working-memory capacity, predicts that high anxiety will impair the ability to find correspondences based on relations between multiple objects relative to correspondences based on overlap of attributes between individual objects. Anxiety was induced in one condition by a (...) stressful speeded subtraction task administered prior to the analogy task. Anxious participants produced fewer relational responses and more attribute responses than did non-anxious participants, both in the absence of explicit instructions to find relational mappings (Experiment 1) and after receiving such instructions (Experiment 2). The findings support the postulated links among anxiety, working memory, and the ability to perform complex analogical mapping. (shrink)

The essential writings from the three pillars of Stoicism. Bringing together the essential writings of the three most influential Stoic philosophers, The Essential Stoic is an accessible and instructive guide to living a better life through the teachings of Stoicism, and includes an insightful introduction from Mark Tuitert, Olympic speed skater and bestselling author of The Stoic Mindset. Distilling the wisdom of the three Stoic masters, this volume contains the three most widely-read volumes of Stoic philosophy in history. Readers (...) will get a comprehensive, 360-degree view of Stoicism, from Epictetus' ethics to Marcus Aurelius' reflections to Seneca's aphorisms. Hailed as one of Rome's "last good emperors," Marcus Aurelius reflects on living wisely, calmly, and virtuously in a chaotic world. Epictetus describes the need to rationally accept the world around us and live with uncompromising virtue. Seneca provides quick, accessible Stoic wisdom in a series of letters to his friend Lucilius. The philosophers' combined wisdom shows readers how to live their best lives, staying calm and rational in the face of hardship, remaining true to their own code of ethics, and accepting the world on its own terms. (shrink)

ABSTRACTAccumulating evidence suggests that emotional information is often recognised faster than neutral information. Several studies examined the effects of valence and arousal on word recognition, but yielded partially diverging results. Here, we used two alternative versions of a constructive recognition paradigm in which a target word is hidden by a visual mask that gradually disappears, to investigate whether the emotional properties of words influence their speed of recognition. Participants were instructed either to classify the incrementally appearing word as emotional (...) or non-emotional or to decide whether the appearing letter string is an existing word or not. Results from both tasks revealed faster recognition times for high- compared to low-arousing words, and for positive compared to negative or neutral words. These findings indicate a recognition advantage for emotionally positive and highly arousing stimuli that persists even when visua... (shrink)

In team-based tasks, successful communication and mutual understanding are essential to facilitate team coordination and performance. It is well-established that an important component of human conversation is the maintenance of common ground. Maintaining common ground has a number of associated processes in which conversational participants engage. Many of these processes are lacking in current synthetic teammates, and it is unknown to what extent this lack of capabilities affects their ability to contribute during team-based tasks. We focused our research on how (...) teams package information within a conversation, by which we mean specifically whether information is explicitly mentioned or implied, and how multiple pieces of information are ordered both within single communications and across multiple communications. We re-analyzed data collected from a simulated remotely-piloted aerial system task in which team members had to specify speed, altitude, and radius restrictions. The data came from three experiments: the “speech” experiment, the “text” experiment, and the “evaluation” experiment. We asked first whether teams settled on a specific routine for communicating the speed, altitude, and radius restrictions, and whether this process was different if the teams communicated in speech compared to text. We then asked how receiving special communication instructions in the evaluation experiment impacted the way the human teammates package information. We found that teams communicating in either speech or text tended to use a particular order for mentioning the speed, altitude, and radius. Different teams also chose different orders from one another. The teams in the evaluation experiment, however, showed unnaturally little variability in their information ordering and were also more likely to explicitly mention all restrictions even when they did not apply. Teams in the speech and text experiments were more likely to leave unnecessary restrictions unmentioned, and were also more likely to convey the restrictions across multiple communications. The option to converge on different packaging routines may have contributed to improved performance in the text experiment compared some of the conditions in the evaluation experiment. (shrink)

Take full advantage of your dSLR camera, and do it with confidence Many people buy dSLR cameras for their flexibility, but find themselves so intimidated by all the options and controls that they rarely venture beyond the automatic mode. With a friendly tone and clear, understandable instruction, photographer and educator Jen Bebb introduces you to every mode and setting on your sophisticated dSLR. After thoroughly explaining shutter speed, aperture, depth of field, ISO, and basic composition, she offers direction on (...) what each camera mode does and when it should be used. You'll gain the confidence to use the entire feature set you paid for. Beginning dSLR users are often intimidated by the scene, semi-automatic, and fully manual modes on their cameras; this guide gently explains each mode and setting Uses a conversational tone and liberal examples to define and explain basic concepts including shutter speed, aperture, ISO, depth of field, and composition Covers how each camera mode works and when to consider using it Helps those new to dSLR photography to gain confidence and begin taking advantage of all the flexibility a dSLR offers Written by a professional photographer who is also known for her skill as an instructor, Beyond Auto Mode encourages new and less experienced dSLR users to take the next step toward creative control. (shrink)

The umbrella-term ‘executive functions’ includes various domain-general, goal-directed cognitive abilities responsible for behavioral self-regulation. The influential unity and diversity model of EF posits the existence of three correlated yet separable executive domains: inhibition, shifting and updating. These domains may be influenced by factors such as socioeconomic status and culture, possibly due to the way EF tasks are devised and to biased choice of stimuli, focusing on first-world testees. Here, we propose a FREE test battery that includes two open-access tasks for (...) each of the three abovementioned executive domains to allow latent variables to be obtained. The tasks were selected from those that have been shown to be representative of each domain, that are not copyrighted and do not require special hardware/software to be administered. These tasks were adapted for use in populations with varying SES/schooling levels by simplifying tasks/instructions and using easily recognized stimuli such as pictures. Items are answered verbally and tasks are self-paced to minimize interference from individual differences in psychomotor and perceptual speed, to better isolate executive from other cognitive abilities. We tested these tasks on 146 early adolescents of both sexes and varying SES, because this is the age group in which the executive domains of interest become distinguishable and in order to confirm that SES effects were minimized. Performance was determined by Rate Correct Scores, which consider speed-accuracy trade-offs. Scores were sensitive to the expected improvement in performance with age and rarely/inconsistently affected by sex and SES, as expected, with no floor or ceiling effects, or skewed distribution, thus suggesting their adequacy for diverse populations in these respects. Using structural equation modeling, evidence based on internal structure was obtained by replicating the three correlated-factor solution proposed by the authors of the model. We conclude that the FREE test battery, which is open access and described in detail, holds promise as a tool for research that can be adapted for a wide range of populations, as well as altered and/or complemented in coming studies. (shrink)

Six experiments found that manipulations that increase thought speed also yield positive affect. These experiments varied in both the methods used for accelerating thought (i.e., instructions to brainstorm freely, exposure to multiple ideas, encouragement to plagiarize others’ ideas, performance of easy cognitive tasks, narration of a silent video in fast-forward, and experimentally controlled reading speed) and the contents of the thoughts that were induced (from thoughts about money-making schemes to thoughts of five-letter words). The results suggested that (...) effects of thought speed on mood are partially rooted in the subjective experience of thought speed. The results also suggested that these effects can be attributed to the joy-enhancing effects of fast thinking (rather than only to the joy-killing effects of slow thinking). This work is inspired by observations of a link between “racing thoughts” and euphoria in cases of clinical mania, and potential implications of that observed link are discussed. (shrink)

Funded by the U.S. Department of Education, the Baltimore Learning Community (BLC) project established a networked electronic learning community through the use of high-quality digital science and social studies resources and high-speed networking. The project will enable science and social studies teachers to access images, text, Web sites, and full motion video via high-speed connections to the Internet. Extending such multimedia configurations into urban schools has facilitated a rethinking of teaching and learning in content classes as well as (...) a reconsideration of how media and method are integrated. It facilitates teacher engagement in designing authentic classroom instruction framed by performance assessments and links project teachers and school site coordinators through a client server, thus promoting a network of teachers and students engaged in learning across schools. However, such a project is not without its challenges—human as well as technological. This article discusses the BLC project identifying technology possibilities, current situational constraints, and implications of creating networked learning communities across disciplines and beyond school walls. (shrink)

Recent advances in mobile electroencephalogram (EEG) systems, featuring non-prep dry electrodes and wireless telemetry, have urged the needs of mobile brain-computer interfaces (BCIs) for applications in our daily life. Since the brain may behave differently while people are actively situated in ecologically-valid environments versus highly-controlled laboratory environments, it remains unclear how well the current laboratory-oriented BCI demonstrations can be translated into operational BCIs for users with naturalistic movements. Understanding inherent links between natural human behaviors and brain activities is the key (...) to ensuring the applicability and stability of mobile BCIs. This study aims to assess the quality of steady-state visual-evoked potentials (SSVEPs), which is one of promising channels for functioning BCI systems, recorded using a mobile EEG system under challenging recording conditions, e.g., walking. To systemati-cally explore the effects of walking locomotion on the SSVEPs, this study instructed subjects to stand or walk on a treadmill running at speeds of 1, 2, and 3 mile (s) per hour (MPH) while con-currently perceiving visual flickers (11 and 12 Hz). Empirical results of this study showed that the SSVEP amplitude tended to deteriorate when subjects switched from standing to walking. Such SSVEP suppression could be attributed to the walking locomotion, leading to distinctly deteriorated SSVEP detectability from standing (84.87±13.55%) to walking (1 MPH: 83.03±13.24%, 2 MPH: 79.47±13.53%, and 3 MPH: 75.26±17.89%). These findings not only demonstrated the applicability and limitations of SSVEPs recorded from freely behaving humans in realistic environments, but also provide useful methods and techniques for boosting the translation of the BCI technology from laboratory demonstrations to practical applications. (shrink)

A value-packed bundle for value-conscious seniors! Digital photography and cameras is a must-have for the over-55 set, but the technology can be intimidating. This book-and-DVD bundle provides all the plain-English guidance of Digital Photography For Seniors For Dummies along with a one-hour DVD filled with tips for using various camera settings, getting terrific photos, and working with images after they're shot. With advice on choosing and using a digital camera, secrets for super shots, getting images onto the computer and enhancing (...) them, and making prints or sharing pictures online, this value-priced bundle has what seniors want to know. People over 55 are one of the fastest-growing markets for digital cameras; they want to learn to use the equipment quickly and without being intimidated by technology This book-and-DVD bundle provides plenty of information in plain English and at a no-nonsense price Covers choosing a digital camera, understanding the lingo, using the controls, working with different settings, downloading and organizing pictures, performing basic edits, and sharing your photos Easy-to-read type and plenty of colorful illustrations make Digital Photography For Seniors For Dummies a great way to get up to speed The Digital Photography For Seniors For Dummies bundle provides exactly what seniors want-no-frills explanations, the visual aspect of DVD instruction, and a great value. (shrink)

You have the camera, or intend to. You have the desire. Now, you have personalized instruction from PC Magazine "The play of light and color on the human imagination." That's how Daniel and Sally Wiener Grotta define photography. They'll lead you through choosing a digital camera and using all its amazing features, but photography is more than technology. These renowned experts liberally share their knowledge of lighting, settings, focus, file formats, communicating with pictures, and more. Read a little, then go (...) shoot some pictures, study them, and read some more. See what you and that camera can do -- together. Go one-on-one with the pros Choose a camera that fits your needs Understand resolution, compression, pixels, and file formats Use shutter speed, lighting, and depth of field Learn about white balance and color adjustment Organize your shots on the camera Shoot photos for company publications or online auctions Pick up tips for getting great photos Get your pictures out of the camera, easily Edit, print, and e-mail photos. (shrink)

Originally published in 1966. This is a self-instructional course intended for first-year university students who have not had previous acquaintance with Logic. The book deals with "propositional" logic by the truth-table method, briefly introducing axiomatic procedures, and proceeds to the theory of the syllogism, the logic of one-place predicates, and elementary parts of the logic of many-place predicates. Revision material is provided covering the main parts of the course. The course represents from eight to twenty hours work. depending on the (...) student's speed of work and on whether optional chapters are taken. (shrink)

In the present study, we investigated the effects of selective attention at encoding on conceptual object priming (Experiment 1) and old-new recognition memory (Experiment 2) tasks in young and older adults. The procedures of both experiments included encoding and memory test phases separated by a short delay. At encoding, the picture outlines of two familiar objects, one in blue and the other in green, were presented to the left and to the right of fixation. In Experiment 1, participants were instructed (...) to attend to the picture outline of a certain color and to classify the object as natural or artificial. After a short delay, participants performed a natural/ artificial speeded conceptual classification task with repeated attended, repeated unattended and new pictures. In Experiment 2, participants at encoding memorized the attended pictures and classified them as natural or artificial. After the encoding phase, they performed an old-new recognition memory task. Consistent with previous findings with perceptual priming tasks, we found that conceptual object priming, like explicit memory, required attention at encoding. Significant priming was obtained in both age groups, but only for those pictures that were attended at encoding. Although older adults were slower than young adults, both groups showed facilitation for attended pictures. In line with previous studies, young adults had better recognition memory than older adults. (shrink)

The picture-word interference paradigm has been used to investigate the time course of processes involved in word retrieval, but is challenging to implement online due to dependence on measurements of vocal reaction time. We performed a series of four experiments to examine picture-word interference and facilitation effects in a form of covert picture naming, with and without gamification. A target picture was accompanied by an audio word distractor that was either unrelated, phonologically-related, associatively-related, or categorically-related to the picture. Participants were (...) instructed to judge whether the name of the target picture ended in the phoneme assigned to the block by pressing corresponding keys as quickly and accurately as possible. Experiments 1 and 2 successfully replicated categorical interference and phonological facilitation effects at different optimal stimulus-onset-asynchronies between words and pictures. Experiment 3 demonstrated that a key gamification feature motivated faster speed at the expense of accuracy in the gamified vs. experimental format of the task. Experiment 4 adopted the optimal SOAs and verified that the gamification reveals expected interference and facilitation effects despite the speed-accuracy tradeoff. These studies confirmed that categorical interference occurs earlier than phonological facilitation, while both processes are independent from articulation and inherent to word retrieval itself. The covert PWI paradigm and its gamification have methodological value for neuroimaging studies in which articulatory artifacts obscure word retrieval processes, and may be developed into potential online word-finding assessments that can reveal word retrieval difficulties with greater sensitivity. (shrink)

Restricted and repetitive behavior is a core symptom of autism spectrum disorder characterized by features of restrictedness, repetition, rigidity, and invariance. Few studies have investigated how restrictedness is manifested in motor behavior. This study aimed to address this question by instructing participants to perform the utmost complex movement. Twenty children with ASD and 23 children with typical development performed one-dimensional, left-right arm oscillations by demonstrating varying amplitudes and frequencies. The entropy of amplitude and velocity was calculated as an index of (...) kinematic complexity. Results showed that the velocity entropy, but not the amplitude entropy, was significantly lower in ASD than in TD, suggesting restricted kinematics. Further analysis demonstrated that a significantly higher proportion of the velocity values was allocated at a low-speed level in the children with ASD. A qualitative comparison of the complex movement with movement at preferred frequency suggested that the children with ASD might be less likely to shift away from the preferred movement. However, our study can be improved in terms of recruiting a larger sample of participants, measuring the level of motivation, and collecting both complex and preferred movements of the same participant. (shrink)

"Go and design a perfect car," "Go and arrange a perfect vacation." These are instructions no one can possibly fulfill. For cars and vacations, like other goods in general, are inherently complex and multidesideratal, since it is a key fact of axiology that every evaluation-admitting object combines a plurality of evaluative features and every good a plurality of desiderata. And this circumstance makes perfection unattainable. For it lies in the nature of things that desirable features are in general competitively (...) interactive. A conflict or competition among desiderata is an unavoidable fact of life. They cannot all be enhanced at once since more of the one can only be realized at the expense of less of the other. Take a car—an automobile. Here the relevant parameters of merit clearly include such factors as speed, reliability, repair infrequency, safety, operating economy, aesthetic appearance, road handling ability. But in actual practice such features are interrelated. It is unavoidable that some will trade off against others. And it would be ridiculous to have a supersafe car with a maximum speed of two miles per hour or to have a car that is very inexpensive to operate but spends most of its time in a repair shop. And similarly throughout the range of the desirable we encounter inherent conflicts among the relevant desiderata. There is no avoiding the fact that we cannot concurrently maximize all of the parameters of merit of any object of desire. (shrink)

"Go and design a perfect car," "Go and arrange a perfect vacation." These are instructions no one can possibly fulfill. For cars and vacations, like other goods in general, are inherently complex and multidesideratal, since it is a key fact of axiology that every evaluation-admitting object combines a plurality of evaluative features and every good a plurality of desiderata. And this circumstance makes perfection unattainable. For it lies in the nature of things that desirable features are in general competitively (...) interactive. A conflict or competition among desiderata is an unavoidable fact of life. They cannot all be enhanced at once since more of the one can only be realized at the expense of less of the other. Take a car—an automobile. Here the relevant parameters of merit clearly include such factors as speed, reliability, repair infrequency, safety, operating economy, aesthetic appearance, road handling ability. But in actual practice such features are interrelated. It is unavoidable that some will trade off against others. And it would be ridiculous to have a supersafe car with a maximum speed of two miles per hour or to have a car that is very inexpensive to operate but spends most of its time in a repair shop. And similarly throughout the range of the desirable we encounter inherent conflicts among the relevant desiderata. There is no avoiding the fact that we cannot concurrently maximize all of the parameters of merit of any object of desire. (shrink)

The current study used cross-modal oddball tasks to examine cardiac and behavioral responses to changing auditory and visual information. When instructed to press the same button for auditory and visual oddballs, auditory dominance was found with cross-modal presentation slowing down visual response times more than auditory response times (Experiment 1). When instructed to make separate responses to auditory and visual oddballs, visual dominance was found with cross-modal presentation decreasing auditory discrimination and participants also made more visual-based than auditory-based errors on (...) cross-modal trials (Experiment 2). Experiment 3 increased task demands while requiring a single button press and found evidence of auditory dominance, suggesting that it is unlikely that increased task demands can account for the reversal in Experiment 2. Auditory processing speed was the best predictor of auditory dominance, with auditory dominance being stronger in participants who were slower at processing the sounds, whereas, auditory and visual processing speed and baseline heart rate variability did not predict visual dominance. Examination of cardiac responses that were time-locked with stimulus onset showed cross-modal facilitation effects, with auditory and visual discrimination occurring earlier in the course of processing in the cross-modal condition than in the unimodal conditions. The current findings showing that response demand manipulations reversed modality dominance and that time-locked cardiac responses show cross-modal facilitation, not interference, suggest that auditory and visual dominance effects may both be occurring later in the course of processing, not from disrupted encoding. (shrink)

The development of action representation during adolescence was investigated using a visually guided pointing motor task to test motor imagery. Forty adolescents and 33 adults were instructed to both execute and imagine hand movements from a starting point to a target of varying size. Reaction time was measured for both Execution and Imagery conditions. There is typically a close association between time taken to execute and image actions in adults because action execution and action simulation rely on overlapping neural circuitry. (...) Further, representations of actions are governed by the same speed-accuracy trade-off as real actions, as expressed by Fitts’ Law. In the current study, performance on the VGPT in both adolescents and adults conformed to Fitts’ Law in E and I conditions. However, the strength of association between E and I significantly increased with age, reflecting a refinement in action representation between adolescence and adulthood. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Sweating the Small StuffTim CunninghamAs an emergency nurse, I often do not notice the small stressors as compared to the loads of intense physical and emotional suffering I witness while working at a level–one–trauma center. The horrendous deaths and injuries caused by gun violence, motorized vehicles, people in emotional distress and those suffering from chronic diseases build up on the mind as a veritable ‘scrapbook of nightmares.’ Emergency providers (...) know, in taking on this profession, that this is ‘all in a day’s work.’ Consequently, we put our selves at risk for emotional burnout as we bear witness to profound suffering while trying to improve lives.I see the traumas, the end–of–life decision making thrust upon families amidst a medical crisis and the other aspects of emergent suffering as bails of hay, against which I tried to build coping mechanisms in order to experience them but also be able to let go. For the most part I am confident to report that I have been able to work through major traumatic situations without belaboring the emotional residue. What I have failed to notice though are not the bails of hay, but individual straws of which they are made.A straw that nearly broke my back came to my pediatric emergency room as a 9–year–old girl who was involved in a low speed motor vehicle collision. She was restrained in the passenger seat; and although she was walking at the scene and crying, she was backboarded by EMS and placed in a cervical spine brace. On arrival to our emergency department she presented with normal vital signs and mutation. Her only complaint was diffuse abdominal pain. We preformed a FAST (Focused Assessment with Sonography for Trauma) exam, which was negative for free abdominal blood. Despite our efforts to make the patient comfortable, we were unable to ease her pain. The patient reported that her pain decreased after we took her off the backboard, but she still did not feel herself.Our attending and resident physicians decided that this child should have an abdominal computed tomography scan (CT) to rule out organ damage with subsequent bleeding. According to hospital protocol, this decision was within our standards of care. I stood by the family when the physician team discussed the plan of care and noticed the parents’ collective body language, which was troubled. I left the room with the physicians but not long after, the family subtly requested that I speak with them.The family was concerned about the radiation to which their child would be exposed. At the same time, they too were concerned about her abdominal pain and understood that a CT could confirm serious abdominal injury. They knew the gravity of the worst–case scenario and wanted to do what was best for their child.The mother asked me if this girl were my child what would I do.My first thought was: No CT, go home, watch her and return if symptoms worsen. My second thought conflicted with the first as I realized this was instruction that fell out of protocol differing from the opinions of the physician team. I paused before responding and found myself sputtering some pointless information about CT scans and mechanisms of injuries sustained from car accidents—I [End Page E9] was filling space, avoiding their question as I pondered the best answer.The girl’s parents told me that one was leaning towards the CT and the other against, they wanted my advice to make a decision. They pressed me saying, “What would you do.” Although I felt an uneasiness and nausea in that moment, I told them my truth, which was that I would go home without the CT.The family appeared relieved and I felt the sensation of stress leaving my body as if I had just taken a deep breath. Contented, but a daughter still with abdominal pain, the family left that evening with specific instructions to watch for adverse symptoms.In that moment, I felt like I had done the right thing but by the end of my shift I left work questioning my choice. I lost sleep that night because of... (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Handbook of Research and Policy in Art EducationCharles M. DornHandbook of Research and Policy in Art Education, edited by Elliot Eisner and Michael Day. Mahwah, N.J.: Lawrence Erlbaum, 2004, 879 pp., $90.00 paper.The Handbook of Research and Policy in Art Education is an 875-page compendium of articles addressing nearly every conceivable issue in the field and is, if nothing else, a valuable tour de force for any reader (...) who wants to come up to speed on issues in the field. It is not, however, either strictly a handbook or a complete exploration of either art education policy or research. This in no way diminishes its potential value as a source for policy issues and research that are of significant concern to the field.The publication presents 36 individual or joint authored chapters on (1) historical currents in art education, (2) policy perspectives impacting the teaching of art, (3) learning in the visual arts, (4) teaching and teacher education, (5) forms of assessment in art education, and (6) emerging visions of the field. Each of the six sections begins with a short introductory statement by the researcher responsible for reviewing the essays in that session. These section editors include F. Graeme-Chalmers, Ralph Smith, Anna Kindler, Enid Zimmerman, Elisabeth Soep, and Arthur Efland. Forty-one authors contributed to the book's contents, all of which have nationally recognized expertise in handling the topic discussed.Editors Elliot Eisner and Michael Day view the book as an effort to bring together research and theory, policy, and concepts that guide and give shape to what people in art education try to accomplish—which is, of course, a rather ambitious goal. Even the editors admit the Handbook meets some but not all of these competing orientations. They also claim that the Handbook serves as an assertion that art education is a scholarly field, perhaps even to a fault through mostly ignoring qualitative issues regarding goals, expressive art form, and aesthetics. Also, the editors admit that the Handbook will be a disappointment, which is true, especially with respect to its emphasis on rationales rather than policy problems, on assessment appreciation rather than policy and research, on assessment in art education history as a record of events rather than as policy windows, and on emerging visions as older forms of social and political discourse rather than policy issues, implementation, and evaluation.Nevertheless, the Handbook addresses a number of important policy issues, providing well-developed and valuable views of the field by a variety of important authors and, in some cases, with some rarely seen insights into the nature of the field. I will only review the most salient ideas of the chapter authors in each of the six sections and then comment on what I believe are promising, and sometimes somewhat troubling, directions pointed out in the chapters, including what promises have not been fulfilled. [End Page 111]Section I, on historical currents, includes chapters by F. Graeme Chalmers; Mary Ann Stankiewicz, Pat Amburgy, and Paul Bolin; and John Howell White. Chalmers provides a very thorough overview of the literature on the history of art education, including what he calls the broad perspectives on art education, history, and research interests of art education historians. Overall, he references nearly 300 publications. Stankiewicz, Amburgy, and Bolin then address specific movements in nineteenth-century art education and art, including a brief history of the social function of art, drawing instruction in schools, industrial drawing, manual training, the arts and crafts movement picture study, and progressive education with over 120 references. White, who follows, provides a similar review of major forces, focusing mainly on art education influences in the twentieth century, addressing the contributions of various art educators, arts organizational leaders, artists, government initiatives, and the critical and divergent influences of key post–WW II art education writers. He also documents his work with nearly 300 sources.Section II, on policy perspectives, contains seven chapters, including ones by Ralph Smith; Samuel Hope; Constance Bumgarner Gee; Lois Hetland and Ellen Winner; H. Gene Blocker; and E. Louis Langford and Kelly Scheffer. In Section II, Sam Hope outlines the power of policy and its effect... (shrink)

The purpose is to improve the teaching quality of Russian spatial prepositions in colleges. This work takes teaching Russian spatial prepositions as an example to study the key technologies in 3D Virtual Simulation teaching. 3D VS situational teaching is a high-end visual teaching technology. VS situation construction focuses on Human-Computer Interaction to explore and present a realistic language teaching scene. Here, the Steady State Visual Evoked Potential is used to control Brain-Computer Interface. An SSVEP-BCI system is constructed through the Hybrid (...) Frequency-Phase Modulation. The acquisition system can obtain the current SSVEP from the user's brain to know which module the user is watching to complete instructions encoded by the module. Experiments show that the recognition accuracy of the proposed SSVEP-BCI system based on HFPM increases with data length. When the data length is 0.6-s, the Information Transfer Rate reaches the highest: 242.21 ± 46.88 bits/min. Therefore, a high-speed BCI character input system based on SSVEP is designed using HFPM. The main contribution of this work is to build a SSVEP-BCI system based on joint frequency phase modulation. It is better than the currently-known brain computer interface character input system, and is of great value to optimize the performance of the virtual simulation situation system for Russian spatial preposition teaching. (shrink)

Globalized workplace is increasingly moving into complex jobs requiring their employees to exhibit complex knowledge and complex skills. Though acquiring such complex skills or knowledge requires longer time, the pace of business puts pressure on organizations to accelerate the time it takes for their employees to become proficient in their jobs. This shift has challenged the conventional training and learning strategies, structure, methods, instructional design and delivery methodologies generally used by training providers and by the organizations. This paper presents the (...) preliminary research findings of a Doctorate research carried out using Grounded theory approach with over 71 in-depth interviews with leading experts in over 40 industries. Preliminary findings suggest that certain e-learning strategies and platforms hold better potential over others to successfully accelerate time-to-proficiency of individuals in leading organizations. This paper provides first look at 10 e-learning strategies and how those could be orchestrated before, during and after a formal training program to develop job-ready learners in shorter time. (shrink)

This study investigates how speed of motion is processed in language. In three eye-tracking experiments, participants were presented with visual scenes and spoken sentences describing fast or slow events (e.g., The lion ambled/dashed to the balloon). Results showed that looking time to relevant objects in the visual scene was affected by the speed of verb of the sentence, speaking rate, and configuration of a supporting visual scene. The results provide novel evidence for the mental simulation of speed (...) in language and show that internal dynamic simulations can be played out via eye movements toward a static visual scene. (shrink)

Olfaction has recently been highlighted as a sense poorly connected with language. Odor is difficult to verbalize, and it has few qualities that afford mimicry by vision or sound. At the same time, emotion is thought to be the most salient dimension of an odor, and it could therefore be an olfactory dimension more easily communicated. We investigated whether sounds imitative of an innate disgust response can be associated with unpleasant odors. In two experiments, participants were asked to make a (...) forced choice between a pseudoword including a disgust sound and a neutral pseudoword, for pleasant and unpleasant odors. Overall, participants chose more disgust pseudowords than neutral pseudowords for unpleasant odors, but this was not the case for pleasant odors. This effect was not driven by a general association between unpleasant sounds and unpleasant odors, but specifically the sounds [x/χ] and [f], thought to reflect physical responses to disgusting odors, as seen in the Polish fu! or the English ugh!. In line with growing evidence that language can encode odor, we provide the first experimental evidence for an association between the sound of a word and odor valence. (shrink)

Do we mentally simulate olfactory information? We investigated mental simulation of odors and sounds in two experiments. Participants retained a word while they smelled an odor or heard a sound, then rated odor/sound intensity and recalled the word. Later odor/sound recognition was also tested, and pleasantness and familiarity judgments were collected. Word recall was slower when the sound and sound-word mismatched. Sound recognition was higher when sounds were paired with a match or near-match word. This indicates sound-words are mentally simulated. (...) However, using the same paradigm no memory effects were observed for odor. Instead it appears odor-words only affect lexical-semantic representations, demonstrated by higher ratings of odor intensity and pleasantness when an odor was paired with a match or near-match word. These results suggest fundamental differences in how odor and sound-words are represented. (shrink)

How can digitised assets of Galleries, Libraries, Archives and Museums be reused to unlock new value? What are the implications of viewing large-scale cultural heritage data as an economic resource, to build new products and services upon? Drawing upon valuation studies, we reflect on both the theory and practicalities of using mass-digitised heritage content as an economic driver, stressing the need to consider the complexity of commercial-based outcomes within the context of cultural and creative industries. However, we also problematise the (...) act of considering such heritage content as a resource to be exploited for economic growth, in order to inform how we consider, develop, deliver and value mass-digitisation. Our research will be of interest to those wishing to understand a rapidly changing research and innovation landscape, those considering how to engage memory institutions in data-driven activities and those critically evaluating years of mass-digitisation across the heritage sector. (shrink)

Odor and color are strongly associated. Numerous studies demonstrate consistent odor‐color associations, as well as effects of color on odor perception and language. Yet, we know little about how these associations arise. Here, we test whether language is a possible mediator of odor‐color associations, specifically whether odor‐color associations are mediated by implicit odor naming. In two experiments, we used an interference paradigm to prevent the verbalization of odors during an odor‐color matching task. If participants generate color associations subsequent to labeling (...) an odor, interfering with verbalization during the task should affect the ability to make color associations. In Experiment 1, contrary to our hypothesis, verbal interference did not affect odor‐color matches. However, since performance accuracy on the verbal interference task was high, it is possible our task did not sufficiently disrupt verbal processing. In Experiment 2, we, therefore, used an active verbal interference task, and still found no difference across interference conditions. Odor naming accuracy, odor familiarity, and odor pleasantness, however, did predict odor‐color matches. This suggests that although color associations are related to semantic factors, they are not generated by recruiting odor labels in the moment. Overall, our results do not provide evidence that language plays an online role in odor‐color associations, instead, they are consistent with the claim that language may have shaped associations during development. (shrink)

We propose an analogy between optical holography and neural behavior as a hypothesis about the physical mechanisms of neural reuse. Specifically, parameters in optical holography (frequency, amplitude, and phase of the reference beam) may provide useful analogues for understanding the role of different parameters in determining the behavior of neurons (e.g., frequency, amplitude, and phase of spiking behavior).

Complex‐trait genetics has advanced dramatically through methods to estimate the heritability tagged by SNPs, both genome‐wide and in genomic regions of interest such as those defined by functional annotations. The models underlying many of these analyses are inadequate, and consequently many SNP‐heritability results published to date are inaccurate. Here, we review the modelling issues, both for analyses based on individual genotype data and association test statistics, highlighting the role of a low‐dimensional model for the heritability of each SNP. We use (...) state‐of‐art models to present updated results about how heritability is distributed with respect to functional annotations in the human genome, and how it varies with allele frequency, which can reflect purifying selection. Our results give finer detail to the picture that has emerged in recent years of complex trait heritability widely dispersed across the genome. Confounding due to population structure remains a problem that summary statistic analyses cannot reliably overcome. Also see the video abstract here: https://youtu.be/WC2u03V65MQ. (shrink)