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Florida International University
Abstract
Two studies looked at eyewitness confidence in lineup studies. In study one, 551 undergraduate participants saw a picture of a target “suspect”. They then viewed an eight person lineup that altered the lineup instructions (they were told the target was either present, might be present, or they were not given any information, though in reality the target “suspect” was always missing). The authors predicted that participants would both choose a suspect and be more confident in their choice when told the target was present compared to the other two conditions. Results confirmed this prediction. In study two, 337 participants also received either the target present or might not be present instructions, though they were given a lineup that differed in size (eight versus four members). Like study one, participants in the target present condition chose and were more confident in their choice than participants in the target might be present condition, but only when given an eight person lineup. This implies that telling someone that a person is present in a lineup can lead them to find a suspect, but only if they have a lot of lineup choices.
Keywords: target present, target absent, simultaneous lineups, confidence, system variables
Corrected References
Brigham, J., Ready, D., & Spier, S. (1990). Standards for evaluating the fairness of photographic lineups. Basic and Applied Social Psychology, 11, 149-163. https://doi.org/12323-38271
Pezdek. K., Blandon-Gitlin, I., & Moore, C. (2003). Children’s face recognition memory: More evidence for the cross-race effect. Journal of Applied Psychology, 88, 760-763. https://doi.org/38765-DY2972