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ERIC Number: EJ781435
Record Type: Journal
Publication Date: 2008-Jan
Pages: 27
Abstractor: Author
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0010-0277
Violations of Coherence in Subjective Probability: A Representational and Assessment Processes Account
Mandel, David R.
Cognition, v106 n1 p130-156 Jan 2008
Coherent judgment is a cardinal feature of rational cognition. Six experiments revealed systematic violations of coherence in probability judgment in which participants assigned different probabilities to mathematically equiprobable events. Experiments 1-5 revealed a "strict refocusing effect": Compared to an occurrence frame, a non-occurrence frame resulted in higher estimates if base-rate evidence favored occurrence, lower estimates if evidence favored non-occurrence, and similar estimates if evidence supported indifference. Moreover, Experiments 5 and 6 revealed a "pessimistic bias" in which the less favorable of two equiprobable events was assigned greater probability. The findings support a Representational and Assessment Processes account (RAP) in which subjective probability is influenced by the perceived compatibility between representations of focal events and representations of evidence.
Descriptors: Probability, Experiments
Elsevier. 6277 Sea Harbor Drive, Orlando, FL 32887-4800. Tel: 877-839-7126; Tel: 407-345-4020; Fax: 407-363-1354; e-mail: usjcs@elsevier.com; Web site: http://www.elsevier.com
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A