1 Adaptationism is a research strategy that seeks to identify adaptations and the specific selective forces that drove their evolution in past environments. Since the mid-1970s, paleontologist Stephen J. Gould and geneticist Richard Lewontin have been critical of adaptationism, especially as applied toward understanding human behavior and cognition. Perhaps the most prominent criticism they made was that adaptationist explanations were analogous to Rudyard Kipling's Just So Stories. Since storytelling is an inherent part of science, the criticism refers to the acceptance (...) of stories without sufficient empirical evidence. In particular, Gould, Lewontin, and their colleagues argue that adaptationists often use inappropriate evidentiary standards for identifying adaptations and their functions, and that they often fail to consider alternative hypotheses to adaptation. Playing prominently in both of these criticisms are the concepts of constraint, spandrel, and exaptation. In this article we discuss the standards of evidence that could be used to identify adaptations and when and how they may be appropriately used. Moreover, building an empirical case that certain features of a trait are best explained by exaptation, spandrel, or constraint requires demonstrating that the trait's features cannot be better accounted for by adaptationist hypotheses. Thus, we argue that the testing of alternatives requires the consideration, testing, and systematic rejection of adaptationist hypotheses. Where possible, we illustrate our points with examples taken from human behavior and cognition. Key Words: adaptation; ADHD; brain allometry; constraint; epistemology; evolutionary psychology; exaptation; female orgasm ; optimization; special design; waist-hip ratio. Footnotes1 The authors contributed equally to this paper. Order of authorship was determined alphabetically. Correspondence may be addressed to any of the authors. (shrink)

Transgenic insecticidal Bt crops are being increasingly used worldwide, and concern is increasing about resistance and their effects on nontarget organisms. The toxin acts as a weak pesticide and, hence, the effects are subtler than those of chemical biocides. However, the toxin is ever present, but concentrations vary with age of plant and plant subunit, causing varying lethal and sublethal effects on pest survival, developmental time, and fecundity. Refuges for susceptibility to Bt occur spatially in non-Bt hosts and temporally within (...) the crop because of time-varying toxicity and pest tolerance. Natural enemies feeding on Bt-intoxicated prey may have reduced longevity and, likely, fecundity that reduces their efficacy in controlling pest populations, and pest resurgence and secondary pest outbreaks may occur that may require insecticide use. System modeling is proposed as an efficient tool for examining the use of extant and future biotechnologies in pest control. (shrink)

In our target article, we discussed the standards of evidence that could be used to identify adaptations, and argued that building an empirical case that certain features of a trait are best explained by exaptation, spandrel, or constraint requires the consideration, testing, and rejection of adaptationist hypotheses. We are grateful to the 31 commentators for their thoughtful insights. They raised important issues, including the meaning of “exaptation”; whether Gould and Lewontin's critique of adaptationism was primarily epistemological or ontological; the necessity, (...) sufficiency, or utility of design evidence, phylogenetic analyses, homology, and molecular genetics in distinguishing exaptations from adaptations; whether adaptationists accept adaptationist hypotheses too quickly; and the real utility of adaptationism to human behavioral science. We organize our response along the major points of the target article, in some situations defending our original claims and in others modifying them. While debate on these issues will undoubtedly continue, we are cautiously optimistic that the main points of the target article (as modified by our response) will help move the debate in a positive direction. (shrink)

Data on birth order and parent-offspring relations for 1,601 adolescents participating in the National Longitudinal Study of Adolescent Health were used to test hypotheses about the role of adolescent suicidal behavior in parent-offspring conflict. Among adolescents highly dissatisfied with their mothers, the odds that middleborns would make at least one suicide attempt was 23% that of first- and lastborns (p<.001), but their odds of receiving medical treatment for their attempts was 8.5 times greater than the odds for first- and lastborns (...) (p=.032). The results are tentatively interpreted as supporting the hypothesis that adolescents use suicide attempts to leverage investment from their parents. (shrink)

Originally published in 1941. Professor Ushenko treats of current problems in technical Logic, involving Symbolic Logic to a marked extent. He deprecates the tendency, in influential quarters, to regard Logic as a branch of Mathematics and advances the intuitionalist theory of Logic. This involves criticism of Carnap, Russell, Wittgenstein, Broad and Whitehead, with additional discussions on Kant and Hegel. The author believes that the union of Philosophy and Logic is a natural one, and that an exclusively mathematical treatment cannot give (...) an adequate account of Logic. A fundamental characteristic of Logic is comprehensiveness, which brings out the affinity between logic and philosophy, for to be comprehensive is the aim of philosophical ambition. (shrink)

Despite the importance of extrapair copulation (EPC) in human evolution, almost nothing is known about the design features of EPC detection mechanisms. We tested for sex differences in EPC inference-making mechanisms in a sample of 203 young couples. Men made more accurate inferences (φmen = 0.66, φwomen = 0.46), and the ratio of positive errors to negative errors was higher for men than for women (1.22 vs. 0.18). Since some may have been reluctant to admit EPC behavior, we modeled how (...) underreporting could have influenced these results. These analyses indicated that it would take highly sex-differentiated levels of underreporting by subjects with trusting partners for there to be no real sex difference. Further analyses indicated that men may be less willing to harbor unresolved suspicions about their partners’ EPC behavior, which may explain the sex difference in accuracy. Finally, we estimated that women underreported their own EPC behavior (10%) more than men (0%). (shrink)

In light of the recently developed European Union (EU) Biofuels Strategy, the literature is reviewed to examine (a) the coherency of biofuel production with the EU nonindustrial vision of agriculture, and (b) given its insufficient land base, the implications of a proposed bioenergy pact to grow biofuel crops in the developing world to meet EU biofuel demands. The EU acknowledged that the use of food crops for biofuel production was based on wrong assumptions concerning climate change mitigation, and its support (...) has now shifted to second-generation nonfood crops. The bioenergy pact entails (a) biofuel crops production in developing countries, especially Africa, that in the absence of environmental and social regulations may lead to ethical trade-offs in land use (food vs. fuel) and (b) the use of transgenic technology that conflicts with the EU’s own vision of sustainable agriculture. (shrink)

The use of marginal land (ML) for lignocellulosic biofuel production is examined for system stability, resilience, and eco-social sustainability. A North American prairie grass system and its industrialization for maximum biomass production using biotechnology and agro-technical inputs is the focus of the analysis. Demographic models of ML biomass production and ethanol farmer/producers are used to examine the stability properties of the ML system. A bio-economic model that maximizes the utility of consumption having the dynamics of MLs and the farmer/producers as (...) dynamic constraints is used to examine the effects of increased conversion efficiency, input costs, risk, and levels of base resources and inputs on the competitive and societal solutions for biomass production. We posit ML abandonment after biofuel production ceases could lead to permanent land degradation below initial levels that prohibit the establishment of the original flora and fauna. (shrink)

Background In February, 2015, the Supreme Court of Canada struck down the ban on medical assistance in dying. In June, 2016, the federal government passed Bill C-14, permitting MAiD. Current medical students will be the first physician cohort to enter a system permissive of MAiD, and may help to ensure equitable access to care. This study assessed medical student views on MAiD, factors influencing these views, and opportunities for medical education. Methods An exploratory cross-sectional survey was developed and distributed to (...) medical students across all years of a three-year Canadian undergraduate medical program. The investigators administered the survey to participants during academic sessions from November to December, 2015. Analysis of the results included summary descriptive statistics, Pearson’s chi-square test of independence to identify differences between participants by year of study, logistic regression to identify factors that influence students’ stances on MAiD, and Wilcoxon signed rank test to measure changes in student support for MAiD and comfort discussing MAiD. Results There were 405 participants for a response rate of 87%. The majority of students supported the Supreme Court’s decision, 61% would provide the means for a patient to end their life, and 38% would personally administer a lethal medication. Students who were more willing to provide the means for MAiD found medical education/clinical experience and patient autonomy to be important contributors to their stances on MAiD. Those students who were less willing to provide the means for MAiD found religious/spiritual beliefs and teachings, as well as concern about potential negative consequences, to be important contributors to their stances on MAiD. Educational training desired by participants included medicolegal, communication skills, technical skills, and religious. Conclusions Medical students generally supported and would provide the means for MAiD to patients. They also indicated a desire for directed medical education on MAiD. (shrink)

This book develops a philosophical structure for historical explanation that resolves disputes about the scientific status of history that have persisted since the nineteenth century. It does this by showing why historical explanations must take the form of a narrative and by making their logic explicit. The books formulates a unique positive account of the logic of narrative explanations. This logic reveals how the rational evaluation of narrative explanation becomes possible. The book also develops a nonrealist (irrealist) metaphysics and epistemology (...) of history--that is, it argues that there exists no one fixed past but many pasts. It includes a novel reading of Kuhn's The Structure of Scientific Revolutions, displaying how Kuhn offers a narrative explanation of theory change in science. The book situates narrative explanations within a naturalistic framework. Naturalism regards all canons of rational inquiry as evolving and contingent. The book also argues for the general philosophical significance of historical explanation. The first four chapters defuse methodological and the metaphysical objections to narrative explanations. The final three chapters explore how narrative explanations relate to other sciences. It will be of interest to researchers in historiography, theory of history, philosophy of history, philosophy of science, philosophy of social science, and epistemology"--Provided by publisher. (shrink)

-God creates the best of all possible worlds.- With this bold dictum, Gottfried Wilhelm Leibniz summed up his theological views. Yet, why did God create <I>this world, our world? <I>The Divine Ethic of Creation in Leibniz uses this question as a touchstone for developing a comprehensive reconstruction of Leibniz's philosophical system. Whereas twentieth-century scholarship tended to focus on the logical foundations of Leibniz's thought, this book demonstrates how Leibniz's work on logic, mathematics, physics, metaphysics, and political theory was actually shaped (...) by ethical and theological considerations.". (shrink)

In recent years, there has been increased awareness of unethical consumer practices in Asian countries. Asian consumers have gained a bad reputation for buying counterfeit products, such as computer software, fashion clothing and watches. In 1993, the estimated losses to US software companies due to Chinese counterfeiting stood at US $322 million (Kohut, 1994). The present study uses a consumer ethics scale developed by Muncy and Vitell (1992) to investigate consumers' ethical judgments from a Chinese perspective. The result shows that (...) consumers in different cultures utilize similar rules to assess the ethicality of a given situation. However, findings also show certain cultural elements that are unique in influencing Chinese consumers' ethical judgments. The results also indicate the need for the continued development of and investment in consumer education in Asia. (shrink)

Reviews the book 'William James and the Metaphysics of Experience,' by David C. Lamberth.

This book examines influential conceptions of sport and then analyses the interplay of challenging borderline cases with the standard definitions of sport. It is meant to inspire more thought and debate on just what sport is, how it relates to other activities and human endeavors, and what we can learn about ourselves by studying sport.

While many with schizophrenia experience deficits in metacognition it is unclear whether those deficits are related to other features of illness. To explore this issue, the current study classified participants with schizophrenia as possessing a deficit in both awareness of their own emotions and those of others , aware of their own emotions but unaware of the emotions of others and aware of their own emotions and of other’s emotions . Groups were compared on assessments of neurocognitive function, symptoms, and (...) history of sexual trauma. ANCOVA controlling for education found that the group unaware of their own emotions and those of others demonstrated poorer verbal memory, processing speed, executive function, less emotional discomfort and higher levels of disorganization symptoms relative to the other groups. The group aware of their own emotions but not those of others had a significantly higher report of childhood sexual abuse. (shrink)

The late Sir Karl Popper supervised the editing of this collection of lectures and papers, all directed towards a general audience, whose original dates of appearance range from 1958-73. As the author notes in his introduction, many of the ideas present in this volume will be familiar to readers of his earlier works on scientific theory, and there is a certain amount of overlap among the various selections, but the volume is helpful in making clear many of the author's basic (...) views, especially since a number of the lectures are devoted to rectifying assorted misconceptions that have arisen around his philosophy. In the essay entitled, "Reason or Revolution?" for instance, the author emphatically rejects positivism, a position that has been mistakenly attributed to him. In "Models, Instruments and Truth," he argues against a pragmatic or instrumentalist approach to science, insisting that scientists do not merely search for practical results, but actually seek objective truth, at least as an ideal goal. (shrink)

Research into child language reveals that it takes a long time for children to learn the correct mapping of colour words. Steels & Belpaeme's (S&B's) guessing game, however, models fast learning of words. We discuss computational studies based on cross-situational learning, which yield results that are more consistent with the empirical child language data than those obtained by S&B.

In lieu of an abstract, here is a brief excerpt of the content:Hobbits as Buddhists and an Eye for an "I"Paul Andrew PowellWhen a medieval scholar friend of mine1 (knowing that I am a longstanding student of Zen), asked me if I would read J. R. R. Tolkien's famous fantasy trilogy The Lord of the Rings to see what Buddhism, if any, could be culled from it, I was not enthusiastic, especially after watching the movie (yes, I watched (...) the movie before I embarked on the text), so full of heroes, their passionate violence, monster-like foes, and fantastic scenarios.2 Hardly the compassion of the Buddha, I thought. The trilogy is as well replete with Christian references and Tolkien was a devout Catholic, and much has been written on these and that, but I decided that that literature would not b e germane to this short and singular investigation. At any rate, I was not encouraged about the project, and yet, a certain character did happen to exhibit one intriguing feature that caught my Buddhist attention from the beginning. And as I began to read deeper into the text, a larger—implausible, some would say—thesis began to form in my mind around this character's one particular attribute. And I thought that at least I might cultivate one's imagination and jar one's thinking in productive ways. So I confess that the inferences I make and conclusions I draw here may be a bit fantastic (perhaps to match the material). But, to answer the question: Is there any Buddhism in The Lord of the Rings? Please keep an open mind, and in the spirit of fantasy, indulge my commentary on this quest.Sauron's EyeSauron's Eye can be associated with at least two considered forms of consciousness: will and omnipresence. It is "The Eye: that horrible growing sense of a hostile will that strove with great power to pierce all shadows of cloud, and earth, and flesh, and to see you: to pin you under its deadly gaze, naked, immovable."3 Also, we find that "The Dark Lord was suddenly aware of him [Frodo], the Eye piercing all shadows... Its wrath blazed like a sudden flame and its fear was like a great black smoke, for it knew its deadly peril, the thread upon which hung its doom... [I]ts thought was now bent with all its overwhelming force upon the Mountain."4 But will (we will return [End Page 31] to "omnipresence" some other time) is a neutral force. And clearly, Sauron's will is not neutral; it is a profoundly malevolent will. For we can also read that Sauron is a "dreadful menace of power... brooding in deep thought and dreadful malice."5 He is full of "policies and webs of fear and treachery... stratagems and wars."6An Eye For An I?Buddhism is a practice which reveals the true nature of things: self, reality, suffering. So let's more deeply consider the nature of Sauron's corruption. It seems unlikely, from a Buddhist view, that the Oxford scholar's central villain is a simple stand-in for brute evil (as might appear upon a first reading), for if evil is ontological then the only reasonable response to it is to strategize how best to cope with its encounter. This, in fact, is the Christian response to evil. Evil is: it exists a priori as a supernatural force outside of human intervention and its temptations may be successfully resisted through self-discipline and moral strength, and possibly an appeal to the supernatural, but never defeated absolutely by a stratagem of human will. It is true that Frodo struggles to resist the Ring's power, but mere coping is not the Fellowship's strategy. The fact that Tolkien's Fellowship actually undertakes to destroy the Ring through stratagem admits that Sauron's corruption is an emergent property of an underlying and vulnerable source rather than a supernatural, a priori property outside of human intervention.Instructively, and like the Fellowship, Buddhists as well understand that human suffering possesses an underlying and vulnerable source that can be overcome in human terms, and this vulnerable source of suffering is the human I. The Buddha... (shrink)

Around the world, the landscape of Higher Education is increasingly shaped by discourses of employability, rankings, and student satisfaction. Under these conditions, the role of universities in preparing students for all facets of life, and to contribute to the public good, is reshaped in significant ways: ways which are often negative and pessimistic. This book raises important and pressing questions about the nature and role of universities as formative educational institutions, drawing together contributors from both Western and non-Western perspectives. While (...) the editors and contributors critique the current situation, the chapters evince a more humane and compassionate framing of the work of and in universities, based on positive and valued relationships and notions of the good. Drawing together a wide range of theoretical and conceptual frameworks to illuminate the issues discussed, this volume changes the debate to one of hopefulness and inspiration about the role of higher education for the public good: ultimately looking towards a potentially exciting and rewarding future through which humanity and the planet can flourish. (shrink)

Dual-process models of cognition suggest that there are two types of thought: autonomous Type 1 processes and working memory dependent Type 2 processes that support hypothetical thinking. Models of creative thinking also distinguish between two sets of thinking processes: those involved in the generation of ideas and those involved with their refinement, evaluation, and/or selection. Here we review dual-process models in both these literatures and delineate the similarities and differences. Both generative creative processing and evaluative creative processing involve elements that (...) have been attributed to each of the dual processes of cognition. We explore the notion that creative thinking may rest upon the nature of a shifting process between Type 1 and Type 2 dual processes. We suggest that a synthesis of the evidence bases on dual-process models of cognition and of creative thinking, together with developing time-based approaches to explore the shifting process, could better inform the development of i.. (shrink)

This study investigates the pattern of institutional shareholding in the U.K. and its relationship with socially responsible behavior by companies within a sample of over 500 UK companies. We estimate a set of ownership models that distinguish between long- and short-term investors and their largest components and which incorporate both aggregated and disaggregated measures of corporate social performance (CSP). The results suggest that long-term institutional investment is positively related to CSP providing further support for earlier studies by Johnson and Greening (...) (1999, Academy of Management Journal 42, 564–576) and Graves and Waddock (1994, Academy of Management Journal 37, 1034–1046). Disaggregation of CSP into its constituent components suggests that the pattern of institutional investment is also related to the form which CSP takes. Investigation of the impact of investment screens on the selection of stocks suggests that long-term institutional investors select primarily through exclusion, rejecting those firms which have the worst CSP. (shrink)

Pharmacogenetics is an emerging biotechnology concerned with understanding the genetic basis of drug response, and promises to transform the development, marketing and prescription of medicines. This paper is concerned with analysing the move towards segmented drug markets, which is implicit in the commercial development of pharmacogenetics. It is claimed that in future who gets a particular drug will be determined by their genetic make up. Drawing on ideas from the sociology of expectations we examine how pharmaceutical and biotechnology companies are (...) constructing, responding to and realising particular ‘visions’ or expectations of pharmacogenetics and market stratification. We argue that the process of market segmentation remains uncertain, but that the outcome will be fashioned according to the convergence and divergence of the interests of key commercial actors. Qualitative data based both on interviews with industry executives and company documentation will be used to explore how different groups of companies are developing pharmacogenetics in distinct ways, and what consequences these different pathways might have for both clinical practice and health policy. In particular, the analysis will show a convergence of interests between biotechnology and pharmaceutical companies for creating segmented markets for new drugs, but a divergence of interest in segmenting established markets. Whilst biotechnology firms have a strong incentive to innovate, the pharmaceutical industry has no commercial interest in segmenting markets for existing products. This has important implications, as many of the claimed public health benefits of pharmacogenetics will derive from changing the prescribing of existing medicines. One significant implication of this is that biotechnology companies who wish to apply pharmacogenetics to existing medicines will have to explore an alternative convergence of interests with healthcare payers and providers . Healthcare providers may have a strong incentive to use pharmacogenetics to make the prescribing of existing medicine more cost-effective. However, we conclude by suggesting that a question mark hangs over their ability to provide the necessary economic and structural resources to bring such a vision to fruition. (shrink)

Like _Beyond All Appearances_,_ _which it supplements, Paul Weiss’s new book is a fundamental work which faces all the hard issues which are not only at the heart of philosophy but at the core of our entire culture. Readers of Mr. Weiss’s phenomenology of religion will need no introduction to this new work which expands and clari­fies many of the issues raised in _Beyond All Appearances. _However, no knowl­edge of Paul Weiss’s previous books is required to understand and (...) appreciate this brilliant new exposition. Weiss’s plain style makes his ideas accessible to all intelligent readers, whether or not they have been trained as professional philosophers. Here in _First Considerations _Mr. Weiss addresses himself to such topics as actuality, internalization, evidence, names, substance, being, natures and possibilities, existence, unity and the cosmos—issues which have engrossed him as a moral philosopher and meta­physician throughout his distinguished career. In his progress through the ideas and issues expounded in this new book Mr. Weiss is concerned with the human condition distinctive of this species of ours. Rigorously applied, his moral philosophy is as complete and thorough as that of any of the major thinkers, and provides as complete a guide as, for example, that of Buddhism. A highly original work, no doubt well in advance of current trends in philosophy, _First Considerations _will provoke further thought and discussion and will be regarded as a seminal work in modern philosophical approaches. (shrink)

Its critics to the contrary, the “gift of life” metaphor is not to be blamed for the indebtedness and guilt that organ recipients often experience. It is certainly misused, however, both by post‐transplant caregivers, who exploit it to manipulate recipients' behavior, and by the organ procurement system, which has failed to understand that the decision to give the gift of life must be approached communally.