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Published on: September 16, 2015
Individual differences in response to uncertainty and decision making: The role of behavioral inhibition system and
Katarzyna Jaśko1, Aneta Czernatowicz-Kukuczka1, Małgorzata Kossowska1
1Institute of Psychology, Jagiellonian University, al. Mickiewicza 3, 31-120 Kraków, Poland.
Abstract:
In two studies, we examined the influence of behavioral inhibition system (BIS) and need for closure (NFC) on information processing in decision making. We expected that BIS would regulate behavior in a decisional context and that this relationship would be mediated by epistemic motivation expressed by NFC. In addition, drawing on contradictory findings in the literature on anxiety, NFC, and information processing, we investigated the moderating role of decision rules. The results supported our predictions. BIS was strongly and positively related to NFC, and through NFC it was related to decision-making style. Moreover, decision task characteristics moderated the relationship between NFC and decision making. When a task did not offer a confident decision rule, high NFC participants prolonged the information search more than low NFC individuals. However, when a reliable strategy was suggested, high NFC participants behaved in line with it. These results are discussed within an uncertainty management framework.
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