Individual Differences Influence the Degree of Source Expertise Bias in Syllogistic Reasoning
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Similar to Copeland, Gunawan, and Bies-Hernandez (2011), the present study investigated the influence of source expertise characteristics on people’s susceptibility to bias in syllogistic reasoning. Each syllogistic conclusion was presented by one of two sources: an expert or a non-expert. In the present experiment, the medium of presenting the source information was also altered to include visual images of the sources. Furthermore, individual differences measures were included in order to investigate whether working memory capacity and certain thinking styles (i.e., reflective or actively open-minded thinking) are related to the source expertise bias. In contrast to the source expertise bias that Copeland et al. (2011) had found among their full sample of participants, only a specific sub-sample of the participants in the present experiment exhibited the bias. Namely, people who scored low on the Cognitive Reflection Test (Frederick, 2005) showed the source expertise bias, whereas those with high scores did not.
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Copyright © 2014 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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