ke them work to achieve a common goal. Via Wikipedia: Sherif is equally famous for the Robbers Cave Experiments. This series of experiments, begun in Connecticut and concluded in Oklahoma, took boys from intact middle-class families, who were carefully screened to be psychologically normal, delivered them to a summer camp setting (with researchers doubling as counselors) and created social groups that came into conflict with each other. These studies had three phases: (1) Group formation, in which the members of…
mans behave altruistically in one-shot interactions under total anonymity. In search of explanations for such behavior, it has been argued that at least some individuals have a general tendency to behave altruistically independent of profitability. In fact, a stable altruistic trait would be adaptive if it were recognizable. Then, altruists could choose each other in order to retain benefits through mutual cooperation. Previous research has shown that individuals can predict the degree of altruistic behavior of strangers by reading signs…
a Eurekalert: In an upcoming study in Psychological Science, a journal of the Association for Psychological Science, Gabriel and graduate student Ariana Young show what that something is: When we read, we psychologically become part of the community described in the narrative—be they wizards or vampires. That mechanism satisfies the deeply human, evolutionarily crucial, need for belonging. And: As predicted, on both measures, Harry Potter readers "became" wizards and the Twilight readers "became" vampires. In addition, participants who were more…
men appear to exhibit a subtle reluctance to engage in long-term relationships with physically attractive, high-status men. We propose that this bias away from men of very high market value is based on fear that these males may desert a relationship and also on the comparative self-perceived market value of the women. Therefore, interpersonal trust and perceived market value should moderate the extent of this counterintuitive bias. To test this proposal, we asked women with varying levels of interpersonal trust…
this paper, we develop a signaling model of rational lovemaking. In the act of lovemaking, a man and a woman send each other possibly deceptive signals about their true state of ecstasy. For example, if one of the partners is not in ecstasy, then he or she may decide to fake it. The model predicts that (1) a higher cost of faking lowers the probability of faking; (2) middle-aged and old men are more likely to fake than young…
a Science Daily: After surveying more than 1,500 Facebook users on Twitter, Sibona found the number-one reason for unfriending is frequent, unimportant posts. "The 100th post about your favorite band is no longer interesting," he said. The second reason was posting about polarizing topics like religion and politics. "They say not to talk about religion or politics at office parties and the same thing is true online," he said. Inappropriate posts, such as crude or racist comments, were the third…
recent episode of the consistently excellent Radiolab explored the idea, covering the work of Robert Axelrod. Turns out the age old cliche can be an incredibly powerful way to deal with others: A tit-for-tat strategy plays the iterated prisoners' dilemma game by cooperating on the first move, and then making the same choice as the other player did on the previous move. This strategy has been shown to be a very robust in that it does well with a…
a Eurekalert: The expectations people have about how others will behave play a large role in determining whether people cooperate with each other or not. And moreover that very first expectation, or impression, is hard to change. "This is particularly true when the impression is a negative one," says Michael Kurschilgen from the Max Planck Institute for Research on Collective Goods in Bonn, summarising the key findings of a study in which he and his colleagues Christoph Engel and Sebastian…
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