Variations in reliability and validity do not influence judge, attorney, and mock juror decisions about psychological expert evidence.

Objective: We tested whether the reliability and validity of psychological testing underlying an expert's opinion influenced judgments made by judges, attorneys, and mock jurors.

Hypotheses: We predicted that the participants would judge the expert's evidence more positively when it had high validity and high reliability.

Method: In Experiment 1, judges ( = 111) and attorneys ( = 95) read a summary of case facts and proffer of expert testimony on the intelligence of a litigant.

Memory strength and lineup presentation moderate effects of administrator influence on mistaken identifications.

Administrator/witness pairs (N = 313) were randomly assigned to target-absent lineups in a 2 (Suspect/Perpetrator Similarity: High Suspect Similarity vs. Low Suspect Similarity) × 2 (Retention Interval: 30 min vs. 1 week) × 2 (Lineup Presentation: Simultaneous vs.