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Economic exchange often pits options for selfish and cooperative benefit against one another. Decisions favoring communal profit at the expense of self-interest have traditionally been thought to stem from strategic control aimed at tamping down emotional responses centered on immediate resource acquisition. In the present article, evidence is provided to… (More)
The emotion anger is typically associated with increased risk taking. However, anger also produces increased probability estimates that emotionally congruent negative events will occur. This latter finding suggests that the general assumption that anger always increases risky decision making may be subject to caveat. The context of a risk-taking opportunity… (More)
Because trusting strangers can entail high risk, an ability to infer a potential partner's trustworthiness would be highly advantageous. To date, however, little evidence indicates that humans are able to accurately assess the cooperative intentions of novel partners by using nonverbal signals. In two studies involving human-human and human-robot… (More)
Five experiments examine whether the ability of emotions to influence judgments of threat extends to a very basic process inherent in threat detection: object recognition. Participants experiencing different emotions were asked to make rapid judgments about whether target individuals were holding guns or neutral objects. Results across 4 experiments… (More)
In this paper, we consider counting the number of ways to place kings on an k × n chessboard, such that every square is dominated by a king. Let f (k, n) be the number of dominating configurations. We consider the asymptotic behavior of the function f (k, n).