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Updated: Jun 13, 2026

Using a Classroom-Based Deese Roediger McDermott Paradigm to Assess the Effects of Imagery on False Memories
Published on: November 14, 2018
The effect of wanted posters on prospective and retrospective memory
Hunter A McAllister1, Brandon A Baiamonte, Justin H Ory
1Department of Psychology, Southeastern Louisiana University, 500 Western Avenue, Hammond, LA 70402, USA. hmcallister@selu.edu
Abstract:
The experiment tested prospective and retrospective memory for a person pictured on a wanted poster. Participants monitored the videotaped activity of a computer lab; one of their duties involved reporting if they saw a computer hacker. Half viewed a wanted poster of the hacker before the monitoring task and half after. For half the participants, the hacker appeared during monitoring and for half not. A diagnosticity ratio comparing the correct prospective memory identifications with false positive identifications showed that a prospective identification was 3.35 times more likely to be accurate than inaccurate. For those viewing the wanted poster after monitoring, the diagnosticity ratio was 1.21. Based on diagnosticity, a prospective identification had more value than a retrospective identification.
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