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Studies on grandparental investment have revealed that mothers' fathers are emotionally closer to their grandchildren than are fathers' mothers. In the current study, it was hypothesized that this difference is caused by the fact that fathers' mothers often have the potential to invest in genetically more certain kin (children through their daughters). To(More)
This article presents a meta-analysis of research on the affective compatibility effect: the relative facilitation of arm flexion and extension movements, in response to positive and negative stimuli, respectively. Across 68 effect sizes (computed on 3169 participants), a small, significant average compatibility effect emerged (ES = .118; 95% CI [.051,(More)
When clinicians facilitate and patients make decisions about predictive genetic testing, they often base their choices on the predicted emotional consequences of positive and negative test results. Research from psychology and decision making suggests that such predictions may often be biased. Work on affective forecasting-predicting one's future emotional(More)
Although arm flexion and extension have been implicated as conditioners of attitudes, recent work casts some doubt on the nature and strength of the coupling of these muscle contractions and stimulus evaluation. We propose that the elaborated contextual framing of flexion and extension actions is necessary for attitude acquisition. Results showed that when(More)
The present experiment tested the hypothesis that discrepancies in processing fluency influence the perceived wrongness of moral violations. Participants were presented with numerous moral violations in easy or difficult to read font. For some violations experienced perceptual fluency was consistent with the fluency associated with previous violations,(More)
Four studies investigated whether people tend to see ingroup flaws as part of human nature (HN) to a greater degree than outgroup flaws. In Study 1, people preferentially ascribed high HN flaws to their ingroup relative to two outgroups. Study 2 demonstrated that flaws were rated higher on HN when attributed to the ingroup than when attributed to an(More)
While it is generally acknowledged that another person's presence can influence how we behave within our environment, our understanding of the mechanisms underlying this influence is limited. Three experiments investigated the effect of social presence on the lateral distribution of spatial attention. Shifts in spatial attention were measured using line(More)
Cultural dynamics were examined in an experimental setting to investigate the mechanisms of transmission of cultural practices (what people typically do) and implicit attitudes at the micro-level, and the maintenance of transmitted cultural traits at the macro-level. A cover story of a fictitious group was used to establish ''microcultures'' within the(More)