Affiliation:
1. Department of Criminal Justice and Legal Studies University of Mississippi University Mississippi USA
2. Department of Psychological Science University of California, Irvine Irvine California USA
Abstract
AbstractIn empirical research, eyewitnesses typically report their confidence numerically (e.g., “I'm 90% sure”). In contrast, in the field, lineup administrators typically ask witnesses to explain their confidence verbally, in the witness' own words (e.g., “I'm quite sure”). Across three studies, we explored how evaluators assess verbal confidence statements: both freely reported and reported using a graded verbal scale. Results showed wide variability in the interpretation of both kinds of confidence statements. Even when evaluating seemingly very strong statements of verbal confidence (e.g., “completely certain”) participants did not necessarily translate these statements into the strongest levels of numeric confidence. Variability in the interpretation of verbal confidence was particularly pronounced for low confidence statements. Moreover, participants preferred to report their confidence numerically rather than verbally. These results indicate the importance of documenting confidence verbatim at the time of the lineup so that the meaning of the witness' original confidence statement is preserved.
Funder
National Science Foundation
Subject
Arts and Humanities (miscellaneous),Developmental and Educational Psychology,Experimental and Cognitive Psychology
Cited by
5 articles.
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