Timothy Ketelaar

Learn More
Are the methods and strategies that evolutionary psychologists use to generate and test hypotheses scientifically defensible? This target article addresses this question by reviewing principles of philosophy of science that are used to construct and evaluate metatheoretical research programs and applying these principles to evaluate evolutionary psychology.(More)
Across four studies, the current paper demonstrates that smiles are associated with lower social status. Moreover, the association between smiles and lower status appears in the psychology of observers and generalizes across two forms of status: prestige and dominance. In the first study, faces of fashion models representing less prestigious apparel brands(More)
A central goal of our target article was to evaluate the soundness of evolutionary psychology's epistemology in relation to the critical claim that evolutionary explanations are unfalsifiable. None of the 16 commentators challenge our central assertion—that the methods and strategies employed by evolutionary psychologists to generate and test hypotheses are(More)
Theories about why immoral behaviors carry a large amount of attributional weight tend to emphasize traditional cognitive variables. In contrast, the authors propose that the degree of negative affect that these behaviors induce in observers is largely responsible for their attributional weight. Studies 1 and 2 demonstrate an association between the amount(More)
Irrational Emotions "A human being is a bundle of useless passions." John-Paul Sartre, Philosopher " Show me a guy who has feelings, and I'll show you a sucker. " Frank Sinatra, Singer and Movie Star Emotional Wisdom "The heart has its reasons which reason knows nothing of." Blaise Pascal, Philosopher "Your intellect may be confused, but your emotions will(More)
EMOTLAB software creates a virtual social environment in which individuals interact via computer with a virtual interaction partner in a series of economic bargaining games. The virtual partner appears on the participant's computer screen as a digital image (e.g., video or picture file) during each trial. A key feature of EMOTLAB software is its ability to(More)
  • 1