Chemistry textbooks are the most popular teaching material in schools. They can contribute significantly to the attainment of scientific educational goals. Internationally, educational reforms in science subjects are adopting newer practices such as Engineering Design Processes for addressing real-world requirements. This study, conducted in Saudi Arabia, employed a qualitative and quantitative content analysis method to evaluate the level of the EDP incorporated in the tenth grade chemistry textbook and accompanying student’s experiments’ guidebook. The results found the inclusive mean for EDP (...) was 1.05, which indicated incorporation was found to be at level one. This inclusion EDP in chemistry textbooks has been rated as novice or deficient, which indicates that it does not fulfill the majority of the requirements for inclusion as suggested by NGSS. (shrink)

The purpose of this study is to propose and develop an intelligent e-learning system based on advanced document management techniques at Al-Quds Open University. In this article, we focus on a case using e-mail contents as supplement educational materials at QOU. We describe how the interactive classification system based on concept hierarchy can simplify this task. This system provides the functions to index, classify, and retrieve a collection of e-mail messages based on user profiles. By automatically indexing e-mail messages using (...) our E-mail Classification System for e-Learning, instructors and/or students can easily find their messages and find the topics. The test results of our system evaluation showed that a good classification quality has been achieved, with a precision of 77.4%, recall of 90%, and F-measure of 82.8. (shrink)

This landmark work provides a systematic introduction to systems of modal logic and stands as the first presentation of what have become central ideas in philosophy of language and metaphysics, from the "new theory of reference" and non-linguistic necessity and essentialism to "Kripke semantics.".

Amyloid beta precursor protein (APP) and prion protein (PrP) are cell membrane elements implicated in neurodegenerative diseases. Both proteins undergo endoproteolysis. Evidence is adduced from the literature hinting that the process in the two proteins could be related, their functions may overlap and their distributions coincide. It is proposed that PrP catalyses its own cleavage, the C-terminal fragment functions as an α secretase and the N-terminal segment chaperones the active site; the α secretase releases anticoagulant and neurotrophic ectodomains from APP. (...) The proposals explain some features of spongiform encephalopathies. BioEssays 23:456–462, 2001. © 2001 John Wiley & Sons, Inc. (shrink)

The paper describes the design of an intelligent tutoring system for teaching Introduction to Computer Science-a compulsory curriculum in Al-Azhar University of Gaza to students who attend the university. The basic idea of this system is a systematic introduction into computer science. The system presents topics with examples. The system is dynamically checks student's individual progress. An initial evaluation study was done to investigate the effect of using the intelligent tutoring system on the performance of students enrolled in computer science (...) curriculum at Al-Azhar University, Gaza. The results showed a positive impact on the evaluators. (shrink)

In this article, I developed the CSR-19 scale to assess the perceptions company executives have of CSR actions during the COVID-19 pandemic and to conceptualize the economic, legal, social, and environmental aspects of CSR actions as a high-order construct. This paper's findings suggest that the legal, environmental, and social aspects of CSR actions are being perceived to positively contribute to companies' CSR actions, but the economic aspect of CSR actions is deemed to contribute negatively to companies' CSR actions. The 16-item (...) CSR-19 scale shows strong evidence of reliability as well as content, convergent, and discriminant validity in a sample of 211 Jordanian companies. Managerial implications and suggestions for applying the CSR-19 scale in future research are presented. (shrink)

We present a fully relativistic formulation of the theory of electron-nucleus Bremsstrahlung, within the context of self-field QED, as advanced recently by Barut and his co-workers. The Bremsstrahlung emission cross-section, reported here, is also shown to reduce to the standard correct nonrelativistic limit, in the dipole approximation.

Within the context of the time-reversed S-matrix approach to photoionization, and employing a recently proposed strong-field solution to the Schrödinger equation, analytic expressions for the atomic photoionization rates are obtained here without using the dipole approximation. We show that the absorbed photon momentum shows up as a forward-directed momentum component for the photoelectron. All the expressions reported in this work have the correct limits when the dipole approximation is used.

Appearing in English for the first time, Schelling’s 1842 lectures develop the idea that many philosophical concepts are born of religious-mythological notions.

The aim of this research was to set a proposed strategy for achieving institutional integrity in the University of Ha’il (UoH), Saudi Arabia, in the light of the National Centre of Assessment and Academic Accreditation (NCAAA) Standards. This was accomplished through acknowledging theoretical and philosophical frameworks of institutional integrity and their obstacles in university educational institutions and displaying the institutional standards of the National Centre of Assessment and Academic Accreditation. This research depended on the descriptive method and employed the (SWOT) (...) Analysis to examine the status of UoH. The research confirmed that UoH implemented policies to support institutional values and research integrity. Furthermore, the university has employed mechanisms and procedures for institutional values and mentorships and has a declared policy for disclosure of information and access of necessary information to all beneficiaries. The university needs to set some mechanisms in place to ensure fairness and equality in performance assessments or to implement integrity standards in processes of employment and recruitment. (shrink)

With precision and profundity born of 30 years of devoted study, John Boyle offers an essential introduction to St. Thomas Aquinas on Scripture, shedding helpful light on the goals, methods, and commitments that animate the Angelic Doctor's engagement with the sacred page. Because the genius of St. Thomas's approach to the Bible lies not so much in its novelty but rather in the fidelity and clarity with which he recapitulates the riches of the preceding interpretive Tradition, this initiation into St. (...) Thomas's vision of Scripture is itself an orientation to the Church's vision of Scripture, from the Fathers through and beyond the Middle Ages. St. Thomas's embeddedness within the Church's Tradition and his own historical context is integral to his approach to Scripture, yet it sets him at some distance from modern readers, for whom his interpretive vision may seem perplexing or even impenetrable. In this Primer, Boyle first provides an acclimation to this medieval context through a survey and explanation of pertinent technical terminology used by St. Thomas and characteristic of the scholastic theology of the time. With an eye to the medieval practice of considering Scripture according to the fourfold division of causes, Boyle builds on this initial foundation by exploring in turn St. Thomas's accounts of the end or use of Scripture (final cause), its divine and human authorship (efficient cause), its order and division (material cause), and its literary styles or genres (formal cause). Drawing on writings from across St. Thomas's corpus, but especially his work On the Commendation and Division of Sacred Scripture and the prologues to his biblical commentaries, Boyle masterfully elucidates both the hermeneutical principles and deep wisdom of the Angelic Doctor's approach to Scripture, imparting invaluable guidance not only for reading and understanding St. Thomas and other great masters of the Tradition, but also-and ultimately-for understanding Scripture in light of this Tradition and reading it with greater benefit and joy. (shrink)

Ambiguity affects decisions of people who exhibit a distaste of and require a premium for dealing with it. Do ambiguity-neutral subjects completely disregard ambiguity and react to any vague news? Online vending platforms often attempt to affect buyer’s decisions by messages like “20 people are looking at this item right now” or “The average score based on 567 reviews is 7.9/10”. We augment the two-color Ellsberg experiment with similarly worded signals about the unknown probability of success. All decision-makers, including ambiguity-neutral, (...) recognize and account for ambiguity; ambiguity-neutral subjects are less likely to respond to vague signals. The difference between decisions of ambiguity-neutral and non-neutral subjects vanishes for high precision signals; still less than 60% subjects choose the ambiguous urn, even for high communicated probabilities of success. We conjecture participants may discard information, if they see no contradiction between it and their prior beliefs, hence the latter are not updated. Higher confidence makes subjects more likely to discard the news, and empirically ambiguity-neutral subjects appear more confident than those ambiguity-averse. (shrink)

While individuals presented in central texts of the period are indeed often alone or separated from others, Yousef regards this isolation as a problem the texts attempt to illuminate, rather than a condition they construct as normative or ...

All geopolitical change represents the creation of a new order and this entails the alteration of the spatial conditions and, therefore, the modification of the way of understanding borders. Carl Schmitt, especially in his last stage, aimed at delineating a new international configuration made up of large spaces (Grossräume), once the time of sovereignties typical of the Ius publicum europaeum was over. The goal of this study is to analizy to which extent and how Schmitt 's analytical tools around borders (...) can be useful to understand the current state of globalization. Todo cambio geopolítico representa la creación de un nuevo orden y ello conlleva la alteración de las condiciones espaciales y, por tanto, la modificación de la manera de entender las fronteras. Carl Schmitt, especialmente en su última etapa, apuntó al delineamiento de una nueva configuración internacional conformada por grandes espacios (Grossräume), una vez que el tiempo de las soberanías propias del Ius publicum europaeum había terminado. El objetivo de este estudio es analizar hasta qué punto y de qué manera las herramientas analíticas de Schmitt en torno a las fronteras pueden ser útiles para comprender el estado actual de la globalización. (shrink)

This thesis explores how the problem of other minds arises in philosophy and literature of the eighteenth and early nineteenth centuries. The effort to imagine and establish the conditions, limits and possibilities of human knowledge of other human beings is common to works of empirical psychology, moral philosophy, political theory, autobiography and fiction. The ways in which literature, and specifically autobiographical writing, imagine the solitude and singularity of the human being are understood, in this dissertation, as contextualizations of the skeptical (...) moods which afflict the subjects of philosophical writing. The argument of the thesis, simply put, is that the human being and self conceived in this period is constructed in terms of dependence rather autonomy, and determined by the imagination of its relatedness to others, not its self-sufficiency. Rousseau's influence on English Romanticism provides a historical framework and principle of selection for the diverse set of texts brought together in the dissertation. Epistemological and ethical philosophies of the English Enlightenment serve as background for a study of the problems of human association that are central to all of Rousseau's work. The ineradicable doubts and insecurities which are constitutive of human relations in Rousseau are shown to be assimilated and transformed in the literature of English Romanticism. (shrink)

The Aesthetic Commonplace is a study of the everyday as a region of overlooked value in the work of William Wordsworth, George Eliot, and Ludwig Wittgenstein. The Romantic poet, the realist novelist, and the modern philosopher are each separately associated with a commitment to the common, the ordinary, and the everyday as a vital resource for reflection on language, on feeling, on ethical insight, and social attunement. The Aesthetic Commonplace is the first study to draw substantive lines of connection between (...) Wittgenstein and the cultural and literary history of nineteenth century England. Tracing conceptual and formal affinities between the poet, the novelist, and the philosopher, the book brings to light significant links between the intellectual history of the nineteenth century and the early decades of the twentieth, making the case for a continuous cultural commitment to the aesthetic as a distinctive mode of investigating thought, feeling, and the everyday language upon which we depend for their articulation. Addressed to both literary studies and to philosophy, The Aesthetic Commonplace makes a compelling case for the interdependence of form, concept, and emotion in the history and interpretive practices of both disciplines. (shrink)

Within the context of Barut's self-field approach to quantum electrodynamics, we show that the exact relativistic expression for the Einstein A-coefficient of atomic spontaneous emission reduces, in the long wavelength approximation, to a form containing electric- and magnetic-like multipole contributions related to the transition charge and current distributions of the relativistic electron. A number of interesting features of the expressions involved are discussed, and their generalization to interacting composite systems is also pointed out.

This paper is an experiment in collective writing conducted in Autumn 2019 at the Faculty of Education at Beijing Normal University. The experiment involves 12 international masters' students readi...

In his commentary on the Light Verse (Q. 24:35), the Andalusian mystic and Qurʾān exegete Abū al-Ḥakam Ibn Barrajān (d. 1141) presents the blessed tree (al-shajara al-mubāraka) not simply as a terrestrial olive tree in Syria or even as a mystical allegory, but as the ultimate locus of divine disclosure and the highest metaphysical entity in the cosmos that subsumes the world of creation. This article assesses the originality of Ibn Barrajān’s contribution to the heavenly tree motif by examining his (...) unique mystical and exegetical theories informing his ontological reading of the blessed tree, including the concept of the ‘reality upon which creation is created’ and the ‘universal servant’. In addition to analysing the internal logic of Ibn Barrajān’s discourse, this article explores the larger interpretive themes recurrent across exoteric, Sufi, and philosophical interpretations of the Light Verse up to the twelfth century that the author may have had access to in al-Andalus, including the treatises of the Brethren of Purity (Ikhwān al-ṣafā) and Biblical sources. Finally, this article highlights how Ibn Barrajān weaves the Qurʾānic good tree (al-shajara al-ṭayyiba) and the lote tree of the furthest boundary (sidrat al-muntahā) into his overarching understanding of the blessed tree. It also considers how his reading may have contributed to later readings by Ibn ʿArabī (d. 1240) and some of his intellectual heirs. (shrink)

Oocytes, eggs and blastomeres of the embryo are special cells that undergo rapid changes in structure and function at developmental transitions. These changes are frequently regulated by cytoplasmic signaling events, particularly at the developmental transition of fertilization, because the genome is largely inactivated at this time. Protein kinase C (PKC) is a signaling agent that acts after the sperm‐induced rise in calcium and has a central role in the remodeling of the structure of the egg into the zygote in many (...) species. PKC also acts during other developmental transitions. This kinase serves as a chronometer, which can choreograph the cell's remodeling events in both space and time. Several technical advancements discussed in this review have permitted a better understanding of the actions of PKC. (shrink)

The experience of fear in the Contemporaneity is mostly determined by a type of enmity that, unlike that which prevailed in Modernity, shows itself untraceable, virtual, rarely visible, given the delocalization structures of globalization. All this refers to a specific epistemology, linked to the loss of the classic coordinates of finitude and to the opening of a paradigm where the lack of representation and the apparent depoliticization will turn adversaries and combatants into mere ghosts, thus increasing their terrifying effect. The (...) article tries to review these notions taking the dread that contemporary terrorism causes as a starting point to build a more global reflection that includes the specific type of gear generated in times of pandemic. La experiencia del miedo en la Contemporaneidad viene mayormente determinada por un tipo de enemistad que, a diferencia de la que imperaba en la Modernidad, se muestra ilocalizable, virtual, pocas veces visible, dadas las estructuras de deslocalización propias de la globalización. Todo ello remite a una epistemología concreta, ligada a la pérdida de las coordenadas clásicas de la finitud y a la apertura de un paradigma donde la falta de representacionalidad y su aparente despolitización convertirán a los adversarios y combatientes en meros fantasmas, aumentando así su efecto terrorífico. El artículo pretende revisar estas nociones tomando el pavor que ocasiona el terrorismo contemporáneo como punto de partida para construir una reflexión más global que incluye el específico tipo de miedo generado en tiempos de pandemia. (shrink)

Los análisis sobre la filosofía política hobbesiana suelen girar alrededor del estudio del miedo y de cómo este es el factor fundamental para explicar el surgimiento de la soberanía. Este artículo tiene como objetivo ir más allá del concepto de temor como base articuladora de la política y centrar el análisis en un terreno fundamental sin el cual no se explica el Leviatán: la alteridad entendida como enemistad. Un análisis de la específica otredad que pone en juego Hobbes a través (...) de su perspectiva mecanicista permitirá entender los diferentes matices que esta visión incorpora, así como las consecuencias que derivan de una filosofía política basada en una concepción negativa de la compañía. El texto explorará las líneas de articulación del concepto de enemistad hobbesiana tanto desde el punto de vista del interior del Estado como desde una perspectiva interestatal. (shrink)

Medical paternalism has long been a common medical practice. However, patient autonomy in healthcare has been recently adopted by doctors and patients alike. This study explored whether doctors and patients in a tertiary care hospital in Saudi Arabia preferred autonomy or paternalism in shared decision‐making. A total of 118 participants (51 patients requiring total knee replacement, owing to stages 3–4 of osteoarthritis, and 67 doctors) from the Eastern province, Saudi Arabia. responded to a 17‐question category‐based questionnaire involving four scales of (...) autonomy. Descriptive statistics and chi‐square test results revealed that in this hospital, patients preferred a paternalistic approach toward their medical care along with a full disclosure of the risks related to surgical procedures. We recommend health education regarding the specific autonomy subscales (doctor knows best, patient should decide, right to non‐participation, and obligatory risk information), and the implementation of protocols that protect patients' rights and enhance personal autonomy. (shrink)

Tourism, as an industry, has become one of the most dynamic sectors of the world economy these days and has specific features that are different from other industries. In the tourism industry, production and consumption points occur spatially at the same time. In addition, the tourism industry contributes to the economic growth of developed regions and can simultaneously distribute the wealth created geographically. It is notable that the coronavirus disease 2019 (COVID-19) pandemic has caused many challenges in the tourism industry (...) regarding the presence of tourists in tourism centres and the closing of all tourism service chains, including food, entertainment, transportation and travel services worldwide. Tourism-related businesses, which are considered as invisible export and one of the engines of development and occupation, have been rendered obsolete. In other words, the businesses, as well as multiple units and activities in the related chain, have been damaged and employees of this industry have lost their jobs. This has led to the recession and regressive course of the developing and large industry of tourism in the world. It is worth noting that the tourism industry includes various sections, the most important of which is religious tourism. All religions in the world have different religious places, works, traditions and customs, which have become amongst the most important tourist attractions. Meanwhile, Muslims and the religion of Islam play a significant role in this branch of tourism. The Hajj, pilgrimage to holy places and the existence of mourning ceremonies or religious celebrations of Muslims are amongst the largest religious tourism events in the world. Given the importance of this issue, the present study aimed to evaluate the impact of the COVID-19 pandemic on religious tourism in Iraq in 2021. This field study was conducted on 4500 Muslim managers and staff of restaurants, hotels, grocery stores, clothing stores and souvenir shops around the holy shrines of imams and religious places in Karbala, Najaf, Kufa, Samarra and Kazemi. According to the results, the tourism of Iraq, which is mainly limited to Muslim religious sites in several major Iraqi cities, has also seen a decline in the number of religious tourists. The negative effects of COVID-19 on religious tourism have also been proved statistically by the Statistical Package for the Social Sciences (SPSS), as µ ≥ 3 has been counted in all indices.Contribution: Our findings offered new insights into the impact of COVID-19 on tourism, based on statistical analysis. In this study, the authors showed how COVID-19 affects various aspects of religious tourism, which has not been addressed in previous researches. (shrink)

I present a possible worlds semantics for a hyperintensional belief revision operator, which reduces the logical idealization of cognitive agents affecting similar operators in doxastic and epistemic logics, as well as in standard AGM belief revision theory. (Revised) belief states are not closed under classical logical consequence; revising by inconsistent information does not perforce lead to trivialization; and revision can be subject to ‘framing effects’: logically or necessarily equivalent contents can lead to different revisions. Such results are obtained without resorting (...) to non-classical logics, or to non-normal or impossible worlds semantics. The framework combines, instead, a standard semantics for propositional S5 with a simple mereology of contents. (shrink)

Huck Finn’s emotional responses constitute perfectly good moral reasons not to betray his friend, even though Huck is unable to recognise them as such.

Depression is one of the most common psychological disorders and many people in the world suffer from this disorder. Every year, thousands of suicides occur because of depression. Whilst anxiety is considered a common phenomenon of our era, it has existed throughout human history. Nevertheless, there have always been signs of religion and religious beliefs in the study of human communities and the history of civilisations. Despite rapid advancements made in solving the physical problems of human beings, the science of (...) medicine has not taken an effective step toward solving humans' psychological issues, although they play a considerable role in the emergence of physical diseases. Religion can affect the mental health of individuals and society through various mechanisms. In general, the role of religion and religious beliefs on the health of the individual and society is very important. A great deal of peace of mind can be achieved based on faith and moral beliefs and practices. People with religious beliefs have an optimistic viewpoint towards life, and their religious beliefs turn a dark life into a bright one even when all hopes are lost in the battle of life. Given the importance of this issue, the present study aimed to evaluate the role of Islamic religious beliefs of Muslim students on depression during the coronavirus disease 2019 (COVID-19) pandemic in Malaysia. A field study was performed on 3500 Muslim students of Kuala Lumpur in 2021 by simple random sampling method. Data were collected using standardised questionnaires, and data analysis was performed in SPSS (Statistical Package for the Social Sciences). According to the results, people with a higher level of religious beliefs suffered less from depression, which confirmed the negative and significant relationship between Islamic religious beliefs and depression. According to the results of multiple regression analysis related to the components of the independent variable in SPSS, all components of Islamic beliefs had a significant role in reducing COVID-19-induced depression. Meanwhile, action required (t-value: 2.30; beta: 0.55) and religious activities (t-value: 2.24; beta: 0.54) had the most effect on reducing depression induced by COVID-19 disease. CONTRIBUTION: The findings of this study could be used to treat people's depression during the COVID-19 pandemic by taking their Islamic religious beliefs into account. (shrink)