Many studies of social perception and judgement have required individuals to make evaluations of social parameters based on static presentations of social stimuli. In the current study, we assessed whether individuals with a schizophrenia spectrum disorder and community controls differed in their judgements of others based on a series of computerized encounters designed to simulate impression formation over time. Twentyeight community controls and 29 individuals with a schizophrenia spectrum disorder completed 25 gambling interactions with three different computer partners. After interacting with each partner, subjects rated how much they liked, trusted, and would like to play again with each partner. Results indicated that while individuals with schizophrenia rated the three partners differently (evaluating partners who returned more money higher than partners who returned less money), they did not adjust their gambling strategies with the different partners. Community controls adjusted the amount of money they gambled with the different partners, gambling more with partners that returned more money and gambling less with partners who returned less money, despite not rating the neutral and positive partners significantly differently from one another. These results suggest differences in behavioural strategies and social evaluation practices between community controls and individuals with schizophrenia.
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