chapter  7
24 Pages

Person Identification in Showups and Lineups

The major objective of eyewitness researchers is to provide the general community of psycholegal scholars, the police, the courts, and policymakers with information that can further their understanding and explanation of person identification. Some of this information has come from controlled laboratory experiments, whereas other knowledge is based on incident studies and field investigations, or drawn from case studies and archival records (see Clifford, 1995). Each of these different sources of information is important in its own right and, when compared and contrasted with each other, each addresses the issue of convergent validity (see Davies, 1992; Ellsworth, 1991; Yuille, 1993).