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Can Familiarity Between an Adolescent Eyewitness and a Perpetrator Influence Identification Accuracy?

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Abstract

Most eyewitness research focuses on stranger identifications, despite the fact that eyewitnesses may also be asked to identify a familiar person. The current study examined the role of eyewitness-perpetrator familiarity and line-up procedure on adolescent eyewitness identification accuracy. Familiarity was manipulated wherein participants (N = 623) directly interacted, indirectly interacted, or did not meet a confederate before viewing the confederate commit a mock crime. Lineup procedure (simultaneous, sequential, elimination-plus) and target presence were manipulated. Familiarity increased the likelihood of correct identifications in target-present lineups when the sequential lineup procedure was used, whereas familiarity increased the likelihood of correct rejections in target-absent lineups when the simultaneous or elimination-plus procedures were used. These findings suggest that familiarity with a perpetrator can influence identification accuracy.

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Data Availability

The data reported has been used previously as part of the first author’s doctoral dissertation.

Notes

  1. The simultaneous lineup procedure was used as the reference group.

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Funding

This work was supported by the Social Sciences and Humanities Research Council (SSHRC) Doctoral Fellowship [award number 752-2014-1918].

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Correspondence to Chelsea L. Sheahan.

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Ethical Approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institution and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors. This study was approved by the Carleton University Research Ethics Board-B (#105287).

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Informed consent was obtained from all individual participants included in the study.

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The authors declare that they have no conflict of interest.

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Sheahan, C.L., Pozzulo, J.D. & Pica, E. Can Familiarity Between an Adolescent Eyewitness and a Perpetrator Influence Identification Accuracy?. J Police Crim Psych 37, 325–338 (2022). https://doi.org/10.1007/s11896-021-09440-3

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  • DOI: https://doi.org/10.1007/s11896-021-09440-3

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