Does being a Stranger make it Difficult to Cooperate?

Competition and cooperation are two somewhat opposed strategies for interpersonal social interaction that help us to achieve both individual and shared goals. The main aim of this study was to explore which type of social interaction (cooperative or competitive) is more stressful in a face-to-face same-sex dyad in healthy young participants ( n = 178), considering outcome obtained in these tasks (positive or negative) and sex as moderating...