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Prior divergence: do researchers and participants share the same prior probability distributions?
MedLine Citation:
PMID:  21564269     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Do participants bring their own priors to an experiment? If so, do they share the same priors as the researchers who design the experiment? In this article, we examine the extent to which self-generated priors conform to experimenters' expectations by explicitly asking participants to indicate their own priors in estimating the probability of a variety of events. We find in Study 1 that despite being instructed to follow a uniform distribution, participants appear to have used their own priors, which deviated from the given instructions. Using subjects' own priors allows us to account better for their responses rather than merely to test the accuracy of their estimates. Implications for the study of judgment and decision making are discussed.
Authors:
Christina Fang; Sari Carp; Zur Shapira
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Cognitive science     Volume:  35     ISSN:  1551-6709     ISO Abbreviation:  Cogn Sci     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-05-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708195     Medline TA:  Cogn Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  744-62     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Cognitive Science Society, Inc.
Affiliation:
Department of Management and Organization, New York University Jerusalem School of Business, Hebrew University, Israel.
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