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Better-Than-Chance Prediction Of Cooperative Behaviour From First And Second Impressions, Eric Schniter, Timothy W. Shields
Better-Than-Chance Prediction Of Cooperative Behaviour From First And Second Impressions, Eric Schniter, Timothy W. Shields
ESI Working Papers
Could cooperation among strangers be facilitated by adaptations that use sparse information to accurately predict cooperative behaviour? We hypothesize that predictions are influenced by beliefs, descriptions, appearance, and behavioural history available for first and second impressions. We also hypothesize that predictions improve when more information is available. We conducted a two-part study. First, we recorded thin-slice videos of university students just before their choices in a repeated Prisoner’s Dilemma with matched partners. Second, a worldwide sample of raters evaluated each player using either videos, photos, only gender labels, or neither images nor labels. Raters guessed players’ first-round Prisoner’s Dilemma choices …