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ERIC Number: EJ833222
Record Type: Journal
Publication Date: 2009-Mar
Pages: 15
Abstractor: As Provided
ISSN: ISSN-1076-898X
Exploring the Diagnostic Utility of Facial Composites: Beliefs of Guilt Can Bias Perceived Similarity between Composite and Suspect
Charman, Steve D.; Gregory, Amy Hyman; Carlucci, Marianna
Journal of Experimental Psychology: Applied, v15 n1 p76-90 Mar 2009
Facial composite research has generally focused on the investigative utility of composites--using composites to find suspects. However, almost no work has examined the diagnostic utility of facial composites--the extent to which composites can be used as evidence against a suspect. For example, detectives and jurors may use the perceived similarity of a suspect to a composite as evidence to determine the likelihood of a suspect's guilt. However, research in social cognition and models of cognitive coherence suggest that these similarity judgments may be biased by evaluators' preexisting beliefs of guilt. Two studies examined how preexisting beliefs of guilt influence similarity ratings between a suspect and a facial composite. Study 1 (n = 93) demonstrated that mock-investigators' beliefs in a suspect's guilt inflated their subsequent similarity ratings. Study 2 (n = 49) demonstrated that mock-jurors' beliefs in a defendant's guilt predicted their similarity ratings. These findings highlight a problem of using facial composites as evidence against a suspect, and demonstrate the malleability of similarity judgments. (Contains 3 tables and 3 figures.)
American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A