Current conceptions of the nature of human reasoning make it no longer tenable to assess children's inference by reference to the norms of logical inference. Alternatively, the complexity of the mental models employed in children's inferences can be analysed. This approach is applied to transitive inference, class inclusion, categorical induction, theory of mind, oddity, categorical syllogisms, analogy, and reasoning deficits. It is argued that a coherent account of children's reasoning emerges in that there is correspondence between tasks at the same (...) level of complexity across different domains, and that the inferences of younger children, while impressive and important, are consistently simpler than those of older children. (shrink)

We argue that if a different definition of sentence complexity is adopted and processing capacity is assessed in a way that is consistent with that definition, then the Caplan & Waters distinction between interpretive versus postinterpretive processing is unnecessary insofar that it applies to the thematic role assignment in relative-clause sentences.

Cowan's review shows that a short-term memory limit of four items is consistent with a wide range of phenomena in the field. However, he does not explain that limit, whereas an existing theory does offer an explanation for capacity limitations. Furthermore, processing capacity limits cannot be reduced to storage limits as Cowan claims.

Working memory limits are best defined in terms of the complexity of the relations that can be processed in parallel. Complexity is defined as the number of related dimensions or sources of variation. A unary relation has one argument and one source of variation; its argument can be instantiated in only one way at a time. A binary relation has two arguments, two sources of variation, and two instantiations, and so on. Dimensionality is related to the number of chunks, because (...) both attributes on dimensions and chunks are independent units of information of arbitrary size. Studies of working memory limits suggest that there is a soft limit corresponding to the parallel processing of one quaternary relation. More complex concepts are processed by or In segmentation, tasks are broken into components that do not exceed processing capacity and can be processed serially. In conceptual chunking, representations are to reduce their dimensionality and hence their processing load, but at the cost of making some relational information inaccessible. Neural net models of relational representations show that relations with more arguments have a higher computational cost that coincides with experimental findings on higher processing loads in humans. Relational complexity is related to processing load in reasoning and sentence comprehension and can distinguish between the capacities of higher species. The complexity of relations processed by children increases with age. Implications for neural net models and theories of cognition and cognitive development are discussed. (shrink)

The core issue of our target article concerns how relational complexity should be assessed. We propose that assessments must be based on actual cognitive processes used in performing each step of a task. Complexity comparisons are important for the orderly interpretation of research findings. The links between relational complexity theory and several other formulations, as well as its implications for neural functioning, connectionist models, the roles of knowledge, and individual and developmental differences, are considered.

Bayesian rationality is an important contribution to syllogistic inference, but it has limitations. The claim that confidence in a conclusion is a function of informativeness of the max-premise is anomalous because this is the least probable premise. A more plausible account is that confidence is inversely related to complexity. Bayesian rationality should be supplemented with principles based on cognitive complexity.

We propose that the missing link from nonhuman to human cognition lies with our ability to form, modify, and re-form dynamic bindings between internal representations of world-states. This capacity goes beyond dynamic feature binding in perception and involves a new conception of working memory. We propose two tests for structured knowledge that might alleviate the impasse in empirical research in nonhuman animal cognition.

The distinction between uninformed learning (type-1) and learning based on recoding using prior information (type-2) helps to clarify some long-standing psychological problems, including misunderstanding of mathematics by children, the need for active construction of concepts in cognitive development, and the difficulty of configural learning tasks. However, an alternative to recoding some type-2 tasks is to represent the input as separate dimensions, which are processed jointly. This preserves the original structure, but is subject to processing capacity limitations.

An application of the Method of Analysis of Relational Complexity (MARC) to suppositional reasoning in the knight-knave task is outlined. The task requires testing suppositions derived from statements made by individuals who either always tell the truth or always lie. Relational complexity (RC) is defined as the number of unique entities that need to be processed in parallel to arrive at a solution. A selection of five ternary and five quaternary items were presented to 53 psychology students using a pencil (...) and paper format. A computer-administered version was presented to 50 students. As predicted, quaternary problems were associated with higher error rates and longer response times than ternary problems. The computer-administered form was more difficult than the pencil and paper version of the test. These differences are discussed in terms of RC theory and alternative processing accounts. Together, they indicate that the relational complexity metric is a useful and parsimonious way to quantify complexity of reasoning tasks. (shrink)

Excerpt from A Guide to World-HistoryThe object of this book may best be indicated by explain ing briefly how the volume came to be written. As with the majority of people the author's acquaintance with history began at school. But, unlike the majority, he there contracted a taste for the subject which continued when his studies were no longer of a compulsory character. Naturally he was at first concerned with the more heroic and romantic aspects of the subject to be (...) found in our numerous drum-and-trumpet narratives. Gradually, however, he came to think that history might really have the scientific value so often attributed to it in the literature of the subject. Rightly interpreted could not history throw light on the present and into the avenues of the future The idea haunted him constantly, and he began reading up not only the most dry-as-dust chronicles, but also every book he could procure relating to the science or philosophy of history, as it is often called. After many years of almost unremitting study he believed he had garnered quite profitable ideas on general principles. But he still found himself baffled on such points as these.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works. (shrink)

Halford et al. have sharpened the concept of processing capacity as applied to various complex tasks. This commentary examines the apparent contradiction between capacity theories and theories in which it is processing speed, rather than capacity, that presumably limits cognitive performance. It explains how capacity and speed often are interrelated and suggests how one might examine whether capacity or speed is the more elementary in processing.

Heidegger's Being and Time: Critical Essays provides a variety of recent studies of Heidegger's most important work. Twelve prominent scholars, representing diverse nationalities, generations, and interpretive approaches deal with general methodological and ontological questions, particular issues in Heidegger's text, and the relation between Being and Time and Heidegger's later thought. All of the essays presented in this volume were never before available in an English-language anthology. Two of the essays have never before been published in any language ; three of (...) the essays have never been published in English before , and two of the essays provide previews of works in progress by major scholars. (shrink)

This article interrogates Andrew Feenberg’s thesis that modern technology is in need of ‘re-aestheticization’. The notion that modern technology requires aesthetic critique connects his political analysis of micro-contexts of social shaping to his wider concern with civilization change. The former involves a modified constructionism, in which the motives, values and beliefs of proximal agents are understood in terms of their wider sociological significance. This remedies a widely acknowledged blind-spot of conventional constructionism, enabling Feenberg to identify democratic potential in progressive agency (...) at the scene of technology design. Feenberg argues that the aesthetics of naturalistic modernism may serve as a bridge between such interventions and cultural transformation. Referring to developments in design culture, especially as this relates to the human-machine interface on digital artefacts, the article suggests that this part of Feenberg’s argument has been falsified. This kind of aesthetic modernism is hegemonic in contemporary design and it has not brought about significant progressive advance. In conclusion, the article suggests a different approach to aesthetic critique that is based on difference rather than wholeness, and on the principle that there is no inherent correspondence of aesthetic standards and ethics in technology design. (shrink)

Andrew Feenberg’s distinction between formal and substantive bias in the design of technology is interrogated. The two dimensions of his definition—inten­tion and the enhancement of specific social interests—are examined and eight logical possibilities arising from his argument are identified. These possibilities are explored through discussion of examples and it is argued that Feenberg has both: a) not broken sufficiently with substantivist philosophies of technology so that he retains ambivalence on technology’s ‘biased essence,’ and b) illegitimately rejected the idea of a (...) technology that is biased in itself. The latter category is important to critical theory of technology and the paper offers a conceptualization of it that draws on Habermas’s discourse ethics. (shrink)

Over the past decade, support for reexamining and reconsidering the U.S. model of ethics review for protocols involving research with humans has grown, particularly for studies involving participants from multiple locales and organizations. The HMO Research Network received an infrastructure-building contract in 2004 that enabled us to evaluate issues in multi-institutional IRB review, examine possible changes, and propose a new model. We conducted key informant interviews and held meetings with IRB personnel, administrators, and researchers, eventually resulting in networkwide agreement to (...) pilot an alternative model of IRB review for minimal-risk, data-only studies that only entailed use of computerized data from our network sites. This article describes the organizational and interpersonal processes that led to the successful establishment of this alternative model, to inform other research consortia considering new multisite review models. (shrink)

Despite evidence from cognitive psychology that men and women are equal in measured intelligence, gender differences in self-estimated intelligence are widely reported with males providing systematically higher estimates than females. This has been termed the male hubris, female humility effect. The present study explored personality factors that might explain this. Participants provided self-estimates of their general IQ and for Gardner’s multiple intelligences, before completing the Cattell Culture Fair IQ test as an objective measure of intelligence. They also completed the Bem (...) Sex Role Inventory as a measure of sex-role identification, and measures of general and academic self-esteem. Both gender and sex-role differences were observed for SEI, with males and participants of both genders who scored high in masculinity offering higher self-estimates. By comparing estimated and observed IQ, we were able to rule out gender differences in overall accuracy but observed a pattern of systematic underestimation in females. An hierarchical multiple regression showed significant independent effects of gender, masculinity, and self-esteem. Mixed evidence was observed for gender differences in the estimation of multiple intelligences, though moderately sized sex-role differences were observed. The results offer a far more nuanced explanation for the male hubris, female humility effect that includes the contribution of sex role identification to individual and group differences. (shrink)

To commemorate 40 years since the founding of the Journal of Business Ethics, the editors in chief of the journal have invited the editors to provide commentaries on the future of business ethics. This essay comprises a selection of commentaries aimed at creating dialogue around the theme The Ethics and Politics of Academic Knowledge Production. Questions of who produces knowledge about what, and how that knowledge is produced, are inherent to editing and publishing academic journals. At the Journal of Business (...) Ethics, we understand the ethical responsibility of academic knowledge production as going far beyond conventions around the integrity of the research content and research processes. We are deeply aware that access to resources, knowledge of the rules of the game, and being able to set those rules, are systematically and unequally distributed. One could ask the question “for whom is knowledge now ethical’”? (See the Burrell commentary.) We have a responsibility to address these inequalities and open up our journal to lesser heard voices, ideas, and ways of being. Our six commentators pursue this through various aspects of the ethics and politics of academic knowledge production. Working with MacIntyre’s scheme of practices and institutions, Andrew West provides commentary on the internal good of business ethics learning and education. Inviting us to step out of the cave, Christopher Michaelson urges a clear-eyed, unblinking focus on the purposes and audiences of business ethics scholarship. As developmental editor, Scott Taylor uncovers some of the politics of peer review with the aim of nurturing of unconventional research. Mike Hyman presents his idiosyncratic view of marketing ethics. In the penultimate commentary, Julie Nelson attributes difficulties in the academic positioning of the Business Ethics field to the hegemony of a masculine-centric model of the firm. And finally, Gibson Burrell provides a powerful provocation to go undercover as researcher-investigators in a parallel ethics of the research process. (shrink)

Eric Nelson has confidently revealed to us God’s justice. God is not an oppressive tyrant but a king subject to the laws of justice. The celestial realm is monarchical, not republican or ruled by a...

The Marxist history of science has played an enormous role in the development of the history of science. Whether through the appreciation of its insights or the construction of a political fortress to prevent infusion, its presence is felt. From 1931 the work of Marxists played an integral part in the international development of the history of science, though rarely have the connections between them or their own biographies been explored. These networks convey a distinct history, alongside political, methodological and (...) personal implications, impressing on us a greater understanding of the possibilities that were present and were lost in the most turbulent of decades. Two of the most notable were Boris Hessen, a founder of Marxist history of science, and J. G. Crowther, one of its most prolific exponents. My examination explores aspects of the dialogue between these controversial figures, starting with brief biographical sketches. Their lives became briefly entwined following the Second International Congress of the History of Science and Technology in 1931, demonstrated with reference to the meeting and the correspondence between them until Hessen's death. In doing so, some new facts and old controversies surface, though most importantly the nature of the correspondence carries implications for the Marxist history of science and for the wider movement of which it is part. The Russian delegation to the congress declared that science was at a crossroads. The history of science was at a similar crossroads in the 1930s. (shrink)

Since Flexner's (1910) report over a century ago, we have observed the growth of medical education as a specialty (Donini-Lenhoff and Hedrick 2000). Of late, we have seen a strong move towards outcome-based education driven by educationalists and national bodies alike (GMC 1993; Harden, Crosby, and Davis 1999; Spady 1988). As medical educators, our understanding has grown considerably. However, there is an area that remains relatively unexplored. All surgeons within teaching hospitals share in the collective responsibility for training more junior (...) doctors (GMC 1995; Leung 2002). As with many facets of postgraduate teaching, this is multi-factorial. Trainee surgeons find themselves fighting a war on many fronts. .. (shrink)

Knowing who benefits financially from a securities trade is necessary for the detection, prosecution and deterrence of illegal securities trading. Foreign jurisdictions with banking or securities secrecy laws are frequently used as a platform for illegal activity to frustrate law enforcement. This paper considers the extent to which Canadian law gives effect to so-called foreign blocking legislation. We conclude that while Canadian law does not generally give effect to foreign blocking legislation, it imposes only limited requirements on market intermediaries to (...) collect beneficial ownership information. Regulators are therefore left with the option of obtaining assistance from their foreign counterparts. (shrink)

At root, the systematicity debate over classical versus connectionist explanations for cognitive architecture turns on quantifying the degree to which human cognition is systematic. We introduce into the debate recent psychological data that provides strong support for the purely structure-based generalizations claimed by Fodor and Pylyshyn (1988). We then show, via simulation, that two widely used connectionist models (feedforward and simple recurrent networks) do not capture the same degree of generalization as human subjects. However, we show that this limitation is (...) overcome by tensor networks that support relational processing. (shrink)

Creativity is one of the least understood aspects of intelligence and is often seen as intuitive' and not susceptible to rational enquiry. Recently, however, there has been a resurgence of interest in the area, principally in artificial intelligence and cognitive science, but also in psychology, philosophy, computer science, logic, mathematics, sociology, and architecture and design. This volume brings this work together and provides an overview of this rapidly developing field. It addresses a range of issues. Can computers be creative? Can (...) they help us to understand human creativity? How can artificial intelligence (AI) enhance human creativity? How, in particular, can it contribute to the sciences of the artificial', such as design? Does the new wave of AI (connectionism, geneticism and artificial life) offer more promise in these areas than classical, symbol-handling AI? What would the implications be for AI and cognitive science if computers could not be creative? These issues are explored in five interrelated parts, each of which is introducted and explained by a leading figure in the field. - Prologue (Margaret Boden) - Part I: Foundational Issues (Terry Dartnall) - Part II: Creativity and Cognition (Graeme S. Halford and Robert Levinson) - Part III: Creativity and Connectionism (Chris Thornton) - Part IV: Creativity and Design (John Gero) - Part V: Human Creativity Enhancement (Ernest Edmonds) - Epilogue (Douglas Hofstadter) For researchers in AI, cognitive science, computer science, philosophy, psychology, mathematics, logic, sociology, and architecture and design; and anyone interested in the rapidly growing field of artificial intelligence and creativity. (shrink)

Extracorporeal membrane oxygenation (ECMO) is typically viewed as a time-limited intervention—a bridge to recovery or transplant—not a destination therapy. However, some patients with decision-making capacity request continued ECMO support despite a poor prognosis for recovery and lack of viability as a transplant candidate. In response, critical care teams have asked for guidance regarding the ethical permissibility of unilateral withdrawal over the objections of a capacitated patient. In this article, we evaluate several ethical arguments that have been made in favor of (...) withdrawal, including distributive justice, quality of life, patients’ rights, professional integrity, and the Equivalence Thesis. We find that existing justifications for unilateral withdrawal of ECMO support in capacitated patients are problematic, which leads us to conclude that either: (1) additional ethical arguments are necessary to defend this approach or (2) the claim that it is not appropriate to use ECMO as a destination therapy should be questioned. (shrink)

From Plato to Plantinga, from Aristotle to Ayer, and from Socrates to Singer, this text brings the power of both ancient and modern philosophy to students of the twenty-first century! This seventh edition of The Study of Philosophy presents a comprehensive treatment of the major fields and figures of philosophy alongside primary readings to fuel debate and further study. New chapters in this edition feature: ·A substantive account of philosophical theology ·A reorganized treatment of early modern rationalism and empiricism ·A (...) discussion of the major highlights of twentieth- and twenty-first-century philosophy ·A survey of major contemporary moral problems. (shrink)