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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/35297

Title: Predicting biases in very highly educated samples: Numeracy and metacognition
Authors: Ghazal, Saima
Cokely, Edward T.
García-Retamero, Rocío
Issue Date: 2014
Abstract: We investigated the relations between numeracy and superior judgment and decision making in two large community outreach studies in Holland (n=5408). In these very highly educated samples (e.g., 30–50% held graduate degrees), the Berlin Numeracy Test was a robust predictor of financial, medical, and metacognitive task performance (i.e., lotteries, intertemporal choice, denominator neglect, and confidence judgments), independent of education, gender, age, and another numeracy assessment. Metacognitive processes partially mediated the link between numeracy and superior performance. More numerate participants performed better because they deliberated more during decision making and more accurately evaluated their judgments (e.g., less overconfidence). Results suggest that well-designed numeracy tests tend to be robust predictors of superior judgment and decision making because they simultaneously assess (1) mathematical competency and (2) metacognitive and self-regulated learning skills.
Publisher: Society for Judgment and Decision Making
Keywords: Numeracy
Risk literacy
Individual differences
Cognitive abilities
Superior decision making
Judgment bias
Metacognition
Confidence
Dual systems
URI: http://hdl.handle.net/10481/35297
ISSN: 1930-2975
Citation: Ghazal, S.; Cokely, E.T.; García-Retamero, R. Predicting biases in very highly educated samples: Numeracy and metacognition. Judgment and Decision Making, 9(1): 15-34 (2014). [http://hdl.handle.net/10481/35297]
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