Diversity Reading List

Abstract: I discuss two types of evidential problems with the most widely touted experiments in evolutionary psychology, those performed by Leda Cosmides and interpreted by Cosmides and John Tooby. First, and despite Cosmides and Tooby's claims to the contrary, these experiments don't fulfil the standards of evidence of evolutionary biology. Second Cosmides and Tooby claim to have performed a crucial experiment, and to have eliminated rival approaches. Though they claim that their results are consistent with their theory but contradictory to the leading non-evolutionary alternative, Pragmatic Reasoning Schemas theory, I argue that this claim is unsupported. In addition, some of Cosmides and Tooby's interpretations arise from misguided and simplistic understandings of evolutionary biology. While I endorse the incorporation of evolutionary approaches into psychology, I reject the claims of Cosmides and Tooby that a modular approach is the only one supported by evolutionary biology. Lewontin's critical examinations of the applications of adaptationist thinking provide a background of evidentiary standards against which to view the currently fashionable claims of evolutionary psychology

Publisher's Note: The Elimination of Morality poses a fundamental challenge to the dominant conception of medical ethics. In this controversial and timely study, Anne Maclean addresses the question of what kind of contribution philosophers can make to the discussion of medico-moral issues and the work of health care professionals. She establishes the futility of bioethics by challenging the conception of reason in ethics which is integral to the utilitarian tradition. She argues that a philosophical training confers no special authority to make pronouncements about moral issues, and proposes that pure utilitarianism eliminates the essential ingredients of moral thinking. Maclean also exposes the inadequacy of a utilitarian account of moral reasoning and moral life, dismissing the claim that reason demands the rejection of special obligations. She argues that the utilitarian drive to reduce rational moral judgment to a single form is ultimately destructive of moral judgment as such. This vital discussion of the nature of medical ethics and moral philosophy will be important reading for anyone interested in the fields of health care ethics and philosophy.

Abstract: I argue that the propensity interpretation of fitness, properly understood, not only solves the explanatory circularity problem and the mismatch problem, but can also withstand the Pandora's box full of problems that have been thrown at it. Fitness is the propensity (i.e., probabilistic ability, based on heritable physical traits) for organisms or types of organisms to survive and reproduce in particular environments and in particular populations for a specified number of generations; if greater than one generation, 'reproduction' includes descendants of descendants. Fitness values can be described in terms of distributions of propensities to produce varying number of offspring and can be modeled for any number of generations using computer simulations, thus providing both predictive power and a means for comparing the fitness of different phenotypes. Fitness is a causal concept, most notably at the population level, where fitness differences are causally responsible for differences in reproductive success. Relative fitness is ultimately what matters for natural selection.