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  1. Roger J. Sullivan & Edward H. Hagen (2011). But is It Evolution…? Behavioral and Brain Sciences 34 (6):322-323.
    We applaud Müller & Schumann (M&S) for bringing needed attention to the problem of motivation for common non-addictive drug use, as opposed to the usual focus on exotic drugs and addiction. Unfortunately, their target article has many underdeveloped and sometimes contradictory ideas. Here, we will focus on three key issues.
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  2. Edward H. Hagen, Paul J. Watson & Peter Hammerstein (2008). Gestures of Despair and Hope: A View on Deliberate Self-Harm From Economics and Evolutionary Biology. Biological Theory 3 (2):123-138.
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  3. Peter Hammerstein, Edward H. Hagen, Andreas V. M. Herz & Hanspeter Herzel (2006). Robustness: A Key to Evolutionary Design. Biological Theory 1 (1):90-93.
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  4. Peter Hammerstein, Edward H. Hagen & Manfred D. Laubichler (2006). The Strategic View of Biological Agents. Biological Theory 1 (2):191-194.
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  5. Nicole H. Hess & Edward H. Hagen (2006). Psychological Adaptations for Assessing Gossip Veracity. Human Nature 17 (3):337-354.
    Evolutionary models of human cooperation are increasingly emphasizing the role of reputation and the requisite truthful “gossiping” about reputation-relevant behavior. If resources were allocated among individuals according to their reputations, competition for resources via competition for “good” reputations would have created incentives for exaggerated or deceptive gossip about oneself and one’s competitors in ancestral societies. Correspondingly, humans should have psychological adaptations to assess gossip veracity. Using social psychological methods, we explored cues of gossip veracity in four experiments. We found that (...)
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  6. Manfred D. Laubichler, Edward H. Hagen & Peter Hammerstein (2005). The Strategy Concept and John Maynard Smith's Influence on Theoretical Biology. Biology and Philosophy 20 (5):1041-1050.
    Here we argue that the concept of strategies, as it was introduced into biology by John Maynard Smith, is a prime illustration of the four dimensions of theoretical biology in the post-genomic era. These four dimensions are: data analysis and management, mathematical and computational model building and simulation, concept formation and analysis, and theory integration. We argue that all four dimensions of theoretical biology are crucial to future interactions between theoretical and empirical biologists as well as with philosophers of biology.
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  7. Edward H. Hagen (2004). Is Excessive Infant Crying an Honest Signal of Vigor, One Extreme of a Continuum, or a Strategy to Manipulate Parents? Behavioral and Brain Sciences 27 (4):463-464.
    An evolutionary account of excessive crying in young infants – colic – has been elusive. A study of mothers with new infants suggests that more crying is associated with more negative emotions towards the infant, and perceptions of poorer infant health. These results undermine the hypothesis that excessive crying is an honest signal of vigor.
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  8. Edward H. Hagen & Gregory A. Bryant (2003). Music and Dance as a Coalition Signaling System. Human Nature 14 (1):21-51.
    Evidence suggests that humans might have neurological specializations for music processing, but a compelling adaptationist account of music and dance is lacking. The sexual selection hypothesis cannot easily account for the widespread performance of music and dance in groups (especially synchronized performances), and the social bonding hypothesis has severe theoretical difficulties. Humans are unique among the primates in their ability to form cooperative alliances between groups in the absence of consanguineal ties. We propose that this unique form of social organization (...)
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  9. Aaron Sell, Edward H. Hagen, Leda Cosmides & John Tooby (2003). Evolutionary Psychology: Applications and Criticisms. In L. Nadel (ed.), Encyclopedia of Cognitive Science. Nature Publishing Group.
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  10. Edward H. Hagen (2002). Special Design's Centuries of Success. Behavioral and Brain Sciences 25 (4):519-520.
    The fitness maximization standard incorrectly assumes that most adaptations have high heritablility, and it imposes the difficult requirement that correlated phenotypic and environmental contributors to reproduction be controlled for. Despite infrequently recognized problems, the special design standard is the foundation of the spectacular successes of modern medicine. It also suggests that the ancestral environment provides a window into the functioning of the brain.
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  11. Edward H. Hagen, Raymond B. Hames, Nathan M. Craig, Matthew T. Lauer & Michael E. Price (2001). Parental Investment and Child Health in a Yanomamö Village Suffering Short-Term Food Stress. Journal of Biosocial Science 33 (4):503-528.
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  12. Edward H. Hagen & Nicole Hess (2000). Sweet Savage Love: FA, BO, and SES in the EEA. Behavioral and Brain Sciences 23 (4):604-605.
    Proxies of mate value must be evolutionarily salient. Gangestad & Simpson (G&S) have made a good case that fluctuating asymmetry is an important proxy of male mate value that correlates well with genetic and developmental quality. The use of financial variables as proxies for male investment ability by Gangestad, Simpson, and virtually every other investigator of human mating in evolutionary perspective, is, however, more problematic. Correspondence:a1 Address correspondence to the first author. Department of Anthropology, University of California, Santa Barbara, CA (...)
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  13. Edward H. Hagen, Response to Buller.
    Buller recently posted a critique of evolutionary psychology (reproduced below). Although I disagree with many of his assertions, this is the most credible attempt to critique evolutionary psychology that I have encountered. Buller’s arguments regarding improper motivational inferences from evolutionary psychological explanations are largely correct--such inferences are indeed erroneous. Furthermore, the mistakes he identifies have been made by some prominent evolutionists including, apparently, W. D. Hamilton (Symons, personal communication). However, most evolutionary psychologists are not saying what he claims they are (...)
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