Brown, C., Portch, E., Nelson, L. and Frowd, C.D., 2020. Reevaluating the role of verbalisation of faces for composite production: Descriptions of offenders matter! Journal of Experimental Psychology: Applied, 26 (2), 248-265.
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DOI: 10.1037/xap0000251
Abstract
Standard forensic practice necessitates that a witness describes an offender’s face prior to constructing a visual likeness, a facial composite. However, describing a face can interfere with face recognition, although a delay between description and recognition theoretically should alleviate this issue. In Experiment 1, participants produced a free recall description either 3-4 hours or 2 days after intentionally or incidentally encoding a target face, and then constructed a composite using a modern ‘feature’ system immediately or after 30-minutes. Unexpectedly, correct naming of composites significantly reduced following the 30-minute delay between description and construction for targets encoded 2 days previously. In, Experiment 2, participants in these conditions gave descriptions that were better matched to their targets by independent judges, a result which suggests that the 30-minute delay actually impairs access to details of recalled descriptions that are valuable for composite effectiveness. Experiment 3 found the detrimental effect of description delay extended to composites constructed from a ‘holistic’ face production system. The results have real-world but counterintuitive implications for witnesses who construct a face one or two days after a crime: after having recalled the face to a practitioner, an appreciable delay (here, 30 minutes) should be avoided before starting face construction.
Item Type: | Article |
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ISSN: | 1939-2192 |
Uncontrolled Keywords: | Facial composite; witness, victim; facial descriptions; verbal overshadowing; retention interval; encoding instructions |
Group: | Faculty of Science & Technology |
ID Code: | 33133 |
Deposited By: | Symplectic RT2 |
Deposited On: | 10 Dec 2019 15:23 |
Last Modified: | 14 Mar 2022 14:18 |
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