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Predictors of Decision Making Across the Adult Life-Span: An Individual-Differences Study
Stockholms universitet, Samhällsvetenskapliga fakulteten, Psykologiska institutionen, Kognitiv psykologi.
Vise andre og tillknytning
2016 (engelsk)Konferansepaper, Poster (with or without abstract) (Annet vitenskapelig)
Abstract [en]

Age-related decline in complex cognitive tasks has been explained by changes in sensory functioning, processing speed, and working memory. However, there is still no agreement on the relative importance of these factors, and their relative role in decision making has not been investigated. In an individual-difference study on a population-based Swedish sample of adults (N = 563, age range 30-89), we disentangled the contribution of sensory decline, processing speed, and working memory measures to age-related changes in three cognitively-demanding decision-making tasks of the Adult Decision-Making Competence Battery (Resistance to Framing, Applying Decision Rules, Under/Overconfidence). Structural equation modeling showed that working memory is a significant predictor even when the influence of sensory variables, processing speed, and education (as a control for cohort effects) is taken into account. Moreover, the effects of sensory functioning and processing speed on decision making were mediated by working memory. These findings indicate that the age-related decline in complex decision-making tasks may not be entirely explained by changes in lower-level processes, highlighting the functional role of working memory processes.

sted, utgiver, år, opplag, sider
2016. s. 156-156
Emneord [en]
decision making, predictors, adult life-span, individual differences
HSV kategori
Forskningsprogram
psykologi
Identifikatorer
URN: urn:nbn:se:su:diva-138883OAI: oai:DiVA.org:su-138883DiVA, id: diva2:1069313
Konferanse
International Meeting of the Psychonomic Society, Granada, Spain, May 5-8, 2016
Tilgjengelig fra: 2017-01-27 Laget: 2017-01-27 Sist oppdatert: 2018-10-04bibliografisk kontrollert

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