Scarcity acts as a mental burden that disrupts how people process information and make decisions (Mullainathan and Shafir in Scarcity: Why having too little means so much. Macmillan, Basingstoke, 2013; Mani et al. Science 342:976–980, 2013). In this study, we replicated Mani et al.’s (Science 342:976–980, 2013) experimental design to explore whether scarcity also taxes Colombian high school students’ mental bandwidth. In a lab-in-the-field experiment, we tested how 417 high school students from high and low socioeconomic status (SES) in Bogotá, (...) Colombia, responded to different scarcity situations. Students were first presented with hypothetical scenarios of harsh or soft scarcity. Next, participants had to solve a series of tasks that measured higher cognitive functions (i.e. Raven’s Progressive Matrices, Cognitive Reflection Task and questions to assess their Delay Discounting value) and had to explain how they would solve the scarcity situation. As opposed to Mani et al. (Science 342:976–980, 2013), we did not find that scarcity taxed individuals’ mental bandwidth, neither their cognitive nor executive functions. We found that low-SES individuals, under the harsh scarcity condition, displayed more empathic attributes than high-SES individuals. Taken together, the results of this study show the importance of replication in different cultures and environments. (shrink)

Este trabajo muestra la percepción de la población humana asentada en las siete áreas naturales protegidas federales de Baja California Sur, desde el punto de vista del conocimiento empírico sobre los cambios en el medio ambiente y recursos naturales ante efectos del Cambio Climático (CC). Se recolectaron datos a partir de la aplicación de 250 encuestas cualitativas en 2011. Los resultados muestran que la mayor parte de la población conoce el significado de CC y que los efectos que perciben son (...) reducción en la superficie forestal por cambio en uso de suelos, reducción de la actividad pesquera por cambios en las condiciones del mar, efectos negativos en el hato ganadero y frecuencia e intensidad de huracanes, aumento en sequías, falta de agua y reducción en la actividad ecoturística por cambios en las playas. Estudios han demostrado que la valoración subjetiva de la población humana contribuye a cambios en el comportamiento mediante una estrategia de adaptación y toma de conciencia del ciudadano. (shrink)

El uso prolongado de la voz es un factor de riesgo para el desarrollo de patologías vocales en docentes. Actualmente, estos profesionales se ven obligados a usar mascarilla para dictar sus clases, lo que puede resultar en alteraciones vocales. Durante la virtualización de las clases los docentes debieron adaptar algún espacio doméstico para desempeñar sus funciones frente a un computador, disminuyendo la actividad física y fomentando un estilo de vida sedentario, lo que pudo ocasionar algún trastorno músculo-esquelético. Con este panorama, (...) el propósito del estudio es identificar efectos en la voz por la mascarilla y lesiones músculo-esqueléticas en docentes. (shrink)

Las personas dedicadas a otorgar servicios de la salud tienen el compromiso legal, ético, profesional y humano de velar por la salud y el bienestar de la sociedad. Un médico no sólo debe formarse en el ámbito académico y técnico, también debe construir y trabajar en su ética profesional. La actualización médica continua en medicina basada en evidencia y el continuo adiestramiento en el área práctica y clínica, si bien son de suma importancia, deben ir de la mano con la (...) aplicación de los principios éticos tales como el respeto por la autonomía, la beneficencia, no maleficencia al paciente y la justicia. El análisis de casos clínicos reales a la luz de la ética es un ejercicio muy enriquecedor para trascender en nuestra práctica diaria. No solamente es de gran ayuda para detectar y prevenir conductas que pudieran vulnerar o atentar contra la dignidad de los pacientes, sino para reafirmar el valor y la centralidad de la persona humana en el abordaje médico. (shrink)

Through theoretical discussion, literature review, and a computational model, this paper poses a challenge to the notion that perspective-taking involves a fixed architecture in which particular processes have priority. For example, considerable work has shown that egocentric perspectives can arise more quickly, with other perspectives (such as of task partners) emerging only secondarily. This theoretical dichotomy is challenged here, and we propose a general view of perspective-taking as an emergent phenomenon governed by the interplay among several cognitive mechanisms. We first (...) describe the pervasive relevance of perspective-taking to cognitive science. A dynamical systems model is then introduced which explicitly formulates the timescale interaction proposed. Implications are discussed, with ideas for future empirical research. (shrink)

En este texto presento una concepción de la noción arendtiana de banalidad del mal a partir de la idea central de irreflexividad. La tesis que propongo a los lectores es que esta noción es comprensible a partir de la ausencia del pensamiento, el juicio y la memoria. Por un lado, ofreceré una caracterización de estas tres facultades de modo que resulte manifiesta la relación entre su ausencia y la posibilidad de realizar el mal. Por otro lado, haré referencias al caso (...) de Eichmann, dado que fue el fenómeno que conllevó a la autora al cambio de concepción de radicalidad a banalidad del mal. (shrink)

En la filosofía arendtiana, el significado o el sentido de los fenómenos tiene un carácter de revelación. La pregunta que motiva esta investigación es cómo llegan los espectadores a este significado revelado. Para responderlo, divido el texto en tres momentos. En primer lugar, argumento que desde la perspectiva del pensamiento, la revelación es de carácter fenomenológico, por lo que la tarea del espectador sería la contemplación tras la puesta en cuestión de prejuicios. En segundo lugar, argumento que desde la perspectiva (...) del juicio la revelación consistiría en un dokei moi (‘a mí me parece’), e implicaría un ejercicio hermenéutico por parte de los espectadores. En tercer y último lugar, concluyo que la revelación del signi cado conecta el método fenomenológico y el hermenéutico, al ser tanto percibida como interpretada por una comunidad de espectadores. (shrink)

We conducted three studies to examine how the recipients of negative workplace gossip judge the gossip sender’s morality and how they respond behaviorally. Study 1 provided experimental evidence that gossip recipients perceive senders as low in morality, with female recipients rating the sender’s morality more negatively than male recipients. In a follow-up experiment (Study 2), we further found that perceived low morality translates into behavioral responses in the form of career-related sanctions by the recipient on the gossip sender. A critical (...) incident study (Study 3) enhanced the external validity and extended the moderated mediation model by showing that gossip recipients also penalize senders with social exclusion. We discuss the implications for practice and research on negative workplace gossip, gender differences in attributions of morality, and gossip recipients’ behavioral responses. (shrink)

El artículo trata de aplicar las concepciones gramscianas al estudio de la primera constitución española. En el análisis se observan cuestiones relacionadas con la educación y los grupos hegemónicos intentando aportar nuevos datos tras la interpretación.

We propose a bibliographic review that allows an approach to three concepts: movement, body and space, in order to suggest, in form of enquiries, some relationships that can be traced between them. We dare to question the denial of each one of them as a possible inauguration of the other two. The pause in movement as a gesture that reveals the body and space. The absence of the body as an agent that gives rise to movement and space. The potential (...) charge of a space that has not yet been determined, allowing the movement of bodies to be performed with creative freedom. Planteamos una revisión bibliográfica que permite un acercamiento a tres conceptos: movimiento, cuerpo y espacio, con el fin de proponer, en forma de inquietudes, relaciones que pueden trazarse entre ellos. Nos atrevemos a cuestionar la negación de cada uno como posible inauguración de los otros dos. La detención del movimiento como gesto que desvela el cuerpo y el espacio. La ausencia del cuerpo como agente que hace surgir el movimiento y el espacio. La carga potencial de un espacio que aún no se determina como aquello que permite el movimiento de los cuerpos con la libertad de crear. (shrink)

This paper presents an overview of my work in philosophy from my first book on Friedrich Schiller and the political sublime to my most recent project on listening to traumatic forms of violence. Starting with a reflection on the autobiographical character of philosophy, I propose to take up the question of an aesthetic dimension of philosophical critique, where aesthetics is understood as an always already embodied perspective on the world, on truth, and on philosophical activity, as well as an always (...) already political realm, where the distribution of sense pre-determines our approach and articulation of experience. Departing from aesthetics understood and deployed as critique, the paper moves on to ask about the specific frameworks of sense or grammars that determine in advance the conditions of audibility in the realms of memory-building and history-making—particularly in those contexts where historical, political, and institutional forms of violence produce silencing and erasure. Putting in dialogue the latter with decolonial studies, I (re)interpret “traumatic violence” as a colonizing form of violence, understanding that one of its central aspects is that it is not only an assault on life but on the conditions of production of sense that make life legible as such. In this context, my project on grammars of listening seeks to carefully unpack these complex intersections while also explaining why I believe that a radical form of listening is an essential subversive/imaginative strategy against traumatic/colonial violence. (shrink)

El propósito del artículo es explicar el genocidio de la Unión Patriótica en clave de la economía nacional y su ubicación estratégica a partir de una aproximación teórica desde algunos elementos propuestos por Antonio Negri y Michael Hardt. Como conclusión se destaca que el genocidio de la up fue consecuencia de su poderío local, que ponía en riesgo la continuidad de las clases políticas dominantes en razón de sus propuestas como colectivo político. Así mismo, este hecho produjo que a raíz (...) de su origen se construyera sobre ellos un relato negativo de enemigos de la sociedad civil. Por último, las propuestas de memoria que se identificaron son consecuencia de la conquista y de la lucha social por parte de las víctimas. (shrink)

La acción de grupo presentada por causa del derrumbe del Relleno Sanitario Doña Juana, finalizó con un fallo del Consejo de Estado, en el que se aplicaron estándares de reparación integral en el año 2012, que ameritan un seguimiento y análisis. En esta investigación, se indagó si las medidas de justicia restaurativas aplicadas al relleno sanitario han sido efectivas para la población afectada; por lo cual se construyó una matriz descriptiva que da cuenta del estado de la garantía de derechos, (...) con los siguientes hallazgos: en cuanto a los perjuicios tasados no se pagó de manera oportuna la sentencia judicial, lo que se vinculó a una percepción de confusión por parte de los afectados, y continúan las vulneraciones a la intimidad familiar, a la recreación y utilización del tiempo libre, al medio ambiente sano y a la salud pública y, de manera indirecta, a los derechos civiles y políticos. (shrink)

One of the measures adopted by the government of Spain during the COVID-19 pandemic has been the elimination of face-to-face classes in all universities, requiring that all teachers had to conduct their classes in an online mode. The objective of this article is to study how this adaptation among university teachers affected their job performance due to the technostress that they may have suffered. Based on the person-environment misfit theory, the sample consisted of 239 teachers from face-to-face and online universities (...) in Spain who were asked to identify the type of technostress, feelings of technostress, and impact on job performance as a result of online teaching due to the COVID-19 pandemic. Results show that teachers who suffered the most from the negative consequences of technology have been female teachers from face-to-face universities who are older, have more years of experience, and consequently, hold a higher position. Despite previous results none of the above variables have been significant in explaining the decline in job performance during confinement. It was also observed that although the effect on job performance was similar for online teachers as well as face-to-face teachers, the variables that explained this effect were different. For the online teachers, there was a misfit between the demands and resources, which are explained based on the previous theory. Teachers from face-to-face universities pointed to the lack of instructions from their organization, along with subjective feelings of techno-inefficacy, as the reasons behind the decline in job performance during the lockdown period. Looking ahead to future research on the incorporation of information and communications technology in teaching work, it is necessary to consider variables associated with technostress, both objective and subjective, in order to increase the effectiveness of integrating emerging technology into teaching work. (shrink)

We explored the home learning environments of 173 Mexican preschool children in relation to their numeracy performance. Parents indicated the frequency of their formal home numeracy and literacy activities, and their academic expectations for children’s numeracy and literacy performance. Children completed measures of early numeracy skills. Mexican parent–child dyads from families with either high- or low-socioeconomic status participated. Low-SES parents reported higher numeracy expectations than high-SES parents, but similar frequency of home numeracy activities. In contrast, high-SES parents reported higher frequency (...) of literacy activities. Path analyses showed that operational numeracy activities were positively related to children’s numeracy skills in the high- but not in the low-SES group. These findings improve the understanding of the role of the home environment in different contexts and provide some insights into the sources of the variable patterns of relations between home learning activities and children’s numeracy outcomes. They also suggest that SES is a critical factor to consider in research on children’s home numeracy experiences. (shrink)

Hasta mediado s del siglo pasado, el tema que nos ocupa, la presencia de Cristo en los sacramentos, se resumía y concentraba, po r no deci r que se agotaba, en la presencia real eucanstica. O sea el concept o 'presencia' de Cristo se reservaba en la practica únicamente para su realización máxima en la Eucaristía; era la presencia real somática la que absorbía cualquier otra forma de presencia sacramental, que en todo caso quedaba en la sombra. Subrayo lo de (...) presencia sacramental, porque obviamente la presencia divina llenándolo todo, abarcando el cosmo s y la historia, no era desconocida Po r lo que a mi se m e alcanza, la primera vez que en un documento eclesiástico se hace explícita referencia a la presencia de Cristo en los sacramentos es precisamente en la única encíclica enteramente consagrada a la liturgia que hasta hoy conocemos : la Mediator Dei promulgada por Pío XII el 20 de noviembre de 1947. La doctrina aquí propuesta ha tenido tal aceptación o recepción que pertenece ya, podríamos decir, al tesoro de la Tradición. (shrink)

ENTREVISTA COM PROFESSORAS (ES) DE FILOSOFIA DO ENSINO SUPERIOR DO CEARÁ – BLOCO IICom: Cristiane Maria Marinho, Francisco José da Silva, Camila do Espírito Santo Prado de OliveiraPor: Antônio Alex Pereira de Sousa, Paulo Willame Araújo de Lima.

Feminist reflections on the sexual division of labour have given rise to a body of knowledge on the ethics of care from different disciplines, including philosophy, in which outstanding contributions to the topic have been formulated. This approach is applicable to the analysis of any phenomenon and particularly that of disasters. As various investigations have highlighted, the consequences on the population throughout all of a disaster’s phases (prevention, emergency, and reconstruction) require an analysis of differentiated vulnerabilities based on gender and (...) other identity categories, such as social class, ethnicity, age, disability, sexual identity, etc. The interrelation between all these variables gives rise to differentiated impacts that cannot be ignored in catastrophic contexts, where survival and sustaining life are at stake, so care becomes a central issue. Research on the topic has also identified that, along with the analysis of social vulnerability, we must consider the capacity for agency, both individual and collective, where care is once again of vital importance. Considering the gender approach and its multiple intersections is thus a fundamental theoretical-practical proposal for the study of disasters from philosophy, as it implies an unavoidable epistemic, ontological, and ethical reflection in the face of risk reduction. (shrink)

In this paper, we introduce a dialogue between (post-)phenomenological and decolonial approaches to propose a sentipensante ethics. Emancipating from hegemonic approaches to ethics that privilege rationality over feeling bodies, we conceptualise an analogical ethics of virtues that emerge in the framework of an analectic-responsive experience. In this experience, we specify the affective, interoceptive, and inter-bodily aspects as elements of a sentipensante ethics from an enactivist perspective. This exercise allows us to highlight the foundation of the ethical experience as a participatory (...) virtue-making oriented towards solidary well-being. Finally, it invites us to search for pedagogical practices that cultivate this virtue-making. En este artículo introducimos un diálogo entre enfoques (post-)fenomenológicos y decoloniales para proponer una ética sentipensante. Nos emancipamos de perspectivas hegemónicas que privilegian la racionalidad sobre los cuerpos que sienten, y conceptualizamos una ética analógica de virtudes que emergen en el marco de una experiencia responsiva analéctica. De esta experiencia, precisamos los aspectos afectivos, interoceptivos, e inter-corporales, como elementos de una ética sentipensante desde una perspectiva enactivista. Este ejercicio nos permite resaltar el fundamento de la experiencia ética como un hacer-virtud participativo orientado hacia el bienestar solidario. Finalmente, nos invita a buscar prácticas pedagógicas que cultiven este hacer-virtud. (shrink)

Banking firms are becoming increasingly aware that their clients’ management of environmental and social risks may in term threaten their own business as lenders and investors. In addition, stakeholders are requiring banks to improve their social performance. As a result, some banks are developing corporate social responsibility (CSR) policies and management systems to reduce potential risks and improve their performance. In the Spanish financial system, half of the banking firms are savings banks, most of which have always used some Corporate (...) Social Responsibility (CSR) criteria in their management. Private Banks have only recently started to integrate social aspects in their performance. However, no formal analysis has been carried out on the impact of CSR strategies. Various initiatives have been launched nationally and internationally to include the social dimension in management systems. The purpose of this research is to analyse the social performance of the main Spanish financial companies through public data such as social or sustainability reports and media sources. In order to do this, we need to determine which CSR criteria most greatly affect banking firms and to choose the most accurate quantitative and qualitative indicators to measure social performance. (shrink)

Un análisis ameno e inteligente sobre los testimonios de los grandes pensadores del progreso: E. Fromm, F. Nietzsche, K. Popper, E. Morin, C.G. Jung, M. Ferguson, A. Finkielkraut, Ortega y Gasset, entre otros.

IntroductionIncorporating technology in cognitive interventions represents an innovation, making them more accessible, flexible, and cost-effective. This will not be feasible without adequate user-technology fit. Bearing in mind the importance of developing cognitive interventions whose technology is appropriate for elderly people with cognitive impairment, the objective of this systematic review was to find evidence about usability and user experience measurements and features of stimulation, training, and cognitive rehabilitation technologies for older adults with mild cognitive impairment or dementia.MethodThe Medline, PubMed, Scopus, ScienceDirect, (...) and PsycINFO databases were searched for literature published in the last 10 years, and three researchers independently reviewed potentially eligible studies, following specific inclusion criteria. A systematic review of the studies was conducted, presenting a qualitative synthesis of usability and UX measures with their outcomes, study characteristics and features of the cognitive intervention technologies.ResultsTen studies were selected: five were cognitive stimulation and five were cognitive training. Most of them were computer-based programs with a serious game format. Efficiency and effectiveness were the most frequent measurements used for collecting objective usability data, showing that elderly people with cognitive impairment require more time and help but can complete tasks. Regarding UX or subjective usability data, questionnaires and scales were the most used methods, reporting positive experience despite certain difficulties with the interface in five studies.ConclusionMeasuring usability and UX in cognitive intervention technologies for older adults with MCI or dementia provides an integrated view that can contribute to their development according to the needs and characteristics of the target population. More research is required to include this population group in usability and UX studies, as well as standardized tools and consensus on the relationship of these terms to guarantee the future effectiveness of cognitive intervention technologies.Review registrationThis review was registered in the PROSPERO International Register of Systematic Review Protocols. (shrink)

O presente artigo objetiva demonstrar como o feminismo universal foi incapaz de contemplar as demandas sociais da mulher negra. Através de análises de autoras e avaliação de índices socioeconômicos verifica-se o impacto gerado pela invisibilização das exclusões enfrentadas por mulheres na abordagem Feminista Universal.

Resumen: El artículo busca observar el hecho religioso mapuche, a partir de la reflexión de Rudolf Otto respecto de lo numinoso y lo santo. Para ello se utiliza su metodología de análisis fenomenológico aplicada a los conceptos de mysterium, tremendum y fascinans o las dimensiones del temor, incorporadas en la cultura mapuche. Se concluye que el análisis de estos diversos momentos de la experiencia santo-numinoso en la vida religiosa del mapuche, permite constatar el dinamismo existente en la idea religiosa del (...) mapuche, lo que a su vez representa adecuadamente la relación entre el hombre religioso y lo santo.: This article seeks to observe the Mapuche religious fact, starting from Rudolf Otto’s reflection on the numinous and the holy. For this, it uses its methodology of phenomenological analysis applied to the concepts of mysterium, tremendum and fascinans or the dimensions of fear, incorporated in the Mapuche culture. It is concluded that the analysis of these different moments of the saint-numinous experience in the religious life of the mapuche, allows to verify the dynamism existing in the religious idea of ​​the mapuche, which in turn represents adequately the relationship between religious man and the Holy. (shrink)

The unfinished imperfect procedural justice raised by John Rawls can be projected towards the theory of the jurisdictional function of Alf Ross, if we took in consideration the judge as an institution and citizen when he applies the law in the population that judges. The theory of the justice of the..

The article briefly approaches some questions on the main penal theories that they turn around the determination of the penalty in the sentenced ones of codified legal systems, being jurisdictional processes, among them, the theory of the danger of Cesar Lombroso. The tendency of these criminal po..

El texto aquí desarrollado aborda los principios más generales del realismo sociológico escandinavo, en particular de la teoría de la función jurisdiccional y del interés de Alf Ross, que sostiene a la objetividad y subjetividad como parte integrante de la actividad del juzgador, contrastán..

The present study had two main aims: to determine whether deaf children show higher rates of key behaviors of ADHD and of Conduct Disorder—CD— than hearing children, also examining whether the frequency of these behaviors in deaf children varied based on cochlear implant use, type of school and level of receptive vocabulary; and to determine whether any behavioral differences between deaf and hearing children could be explained by deficits in inhibitory control. We measured behaviors associated with ADHD and CD in (...) 34 deaf and hearing children aged 9–10 years old, using the revised Spanish version of the Conners scale. We then assessed inhibitory control ability using a computerized Stroop task and a short version of the Attention Network Test for children. To obtain a measure of the level of receptive vocabulary of the deaf children we used a Spanish version of the Carolina Picture Vocabulary Test for Deaf and hearing-impaired children. Deaf children showed significantly higher rates of behaviors associated with ADHD and CD, and over 85% of cases detected with high risk of ADHD-inattentive type in the entire present sample were deaf children. Further, in the group of deaf children a negative correlation was found between receptive vocabulary and frequency of disruptive, aggressive, or antisocial behaviors associated with CD. However, inhibitory control scores did not differ between deaf and hearing children. Our results suggested that the ADHD-related behaviors seen in deaf children were not associated with a deficit in inhibitory control, at least in the interference suppression subcomponent. An alternative explanation could be that these behaviors are reflecting an adaptive strategy that permits deaf children to access information from their environment which is not available to them via audition. (shrink)

Following Goldman’s seminal work, most contemporary philosophical contributions on the novice-expert relation have adopted a normative, expert-focused approach. In this paper, we aim to shift the focus of the philosophical analysis towards the characteristics of the novices, and how they might determine the choices that experts make. On the bases of recent empirical evidence from social psychology, we discuss how novices evaluate the messages that they receive and distinguish diverse kinds of novices according to their competence in message assessment. Building (...) on that analysis, we discuss the difficulties of approaches to expertise that focus only on the standpoint of novices or assume novices are homogeneous. In our analysis, we introduce the standpoint of experts, and we pay special attention to the heterogeneity of novices. This approach allows us to identify and address the difficulties faced by experts in the context of science communication. In the last part of the paper, we characterise and discuss the problem of experts when choosing a strategy in the issuing of a public campaign to advise or inform certain populations of novices. (shrink)

This paper makes an assessment of a number of texts (classics) dealing with the debate on intellectual history, as well as the discussion about the being and must be of intellectuals. The idea is to demonstrate the relevance of this debate, as well as of its endless discussion, its trajectory in other disciplines and the need for more dialogue between those who practice them.

Background:The decision whether to initiate cardiopulmonary resuscitation may sometimes be ethically complex. While studies have addressed some of these issues, along with the role of nurses in cardiopulmonary resuscitation, most have not considered the importance of nurses acting as advocates for their patients with respect to cardiopulmonary resuscitation.Research objective:To explore what the nurse’s advocacy role is in cardiopulmonary resuscitation from the perspective of patients, relatives, and health professionals in the Basque Country (Spain).Research design:An exploratory critical qualitative study was conducted from (...) October 2015 to March 2016. Thematic analysis was used to analyse the data.Participants:Four discussion groups were held: one with patients and relatives (n = 8), two with nurses (n = 7 and n = 6, respectively), and one with physicians (n = 5).Ethical considerations:Approval was obtained from the Basque Country Clinical Research Ethics Committee.Findings:Three significant themes were identified: (a) accompanying patients during end of life in a context of medical dominance, (b) maintaining the pact of silence, and (c) yielding to legal uncertainty and concerns.Discussion:The values and beliefs of the actors involved, as well as pre-established social and institutional rules reduced nurses’ advocacy to that of intermediaries between the physician and the family within the hospital environment. On the contrary, in primary health care, nurses participated more actively within the interdisciplinary team.Conclusion:This study provides key information for the improvement and empowerment for ethical nursing practice in a cardiac arrest, and provides the perspective of patients and relatives, nurses and physicians. (shrink)

El consumo mediático a través de diferentes redes sociales forma parte de la cultura digital adolescente. Este artículo tiene como objetivo describir la propuesta metodológica cualitativa construida para conocer las influencias de las Tecnologías de la Relación, Información y Comunicación en un grupo-aula de Educación Primaria desde una perspectiva de género. Se utiliza un planteamiento etnográfico en el que se aplican diferentes técnicas de recogida de información como la observación participante, las asambleas o las sesiones de experimentación y creación mediática. (...) Finalmente, se ofrece una aproximación a resultados a modo de revisión exploratoria del trabajo de campo. (shrink)