Abstract

Sketch artists, the Identi-Kit, the Photofit, and the Field Identification System are law enforcement techniques for constructing facial images from a witness’s memory. Previous research has shown that these procedures typically do not result in good facial representations of a target person. An experiment explored the effects of memory for the target on quality of the image produced with the Field Identification System. Subjects constructed four images of white male faces; two images were of highly familiar faces (e.g., husband or roommate) and two images were of unfamiliar faces viewed live for 15 sec. While significantly more time was spent generating familiar-face images, there was no difference in the quality of images for familiar vs. unfamiliar faces. The results imply that the technique has serious limitations for achieving good facial representations.

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