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July 19, 2026Journal of Investigative Psychology and Offender Profiling

The Alibi Corroborator: Their Cooperativeness With Police and the Consistency of Their Certainty

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Authors

MAMeredith AllisonWTWenona Taiping‐Moccia

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Overview

Randomized trial investigates how corroborator behavior influences alibi believability in mock jurors, suggesting significant impacts on perceptions.

Key Points

  • This research explores how the cooperativeness and certainty of alibi corroborators affect perceptions of alibi believability and defendant guilt.
  • N=320 online participants acting as mock jurors in a randomized trial.
  • Evaluated variations in corroborator cooperativeness (cooperative vs. uncooperative) and certainty (maintained high, maintained low, strengthened, weakened).
  • Assessed impacts on alibi believability and defendant character traits.
  • Cooperative corroborators increased alibi believability and reduced guilt ratings compared to uncooperative ones.
  • Certain corroborators led to more positive evaluations of the defendant's character traits.
  • Participants with more positive attitudes toward police correlated with lower alibi believability ratings.

Cite This Study

Allison et al. (2026) studied this question.

synapsesocial.com/papers/6a5c6913118b92953e3ed84chttps://doi.org/10.1002/jip.70024
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