Law and Human Behavior

, Volume 10, Issue 1, pp 79–82

Notes on the psychologist expert witness


  • Reid Hastie
    • Psychology DepartmentNorthwestern University

DOI: 10.1007/BF01044559

Cite this article as:
Hastie, R. Law Hum Behav (1986) 10: 79. doi:10.1007/BF01044559


The psychologist who takes the witness stand to testify concerning the reliability of an eyewitness's testimony should assume the role of a watchdog, not a lapdog for the prosecution or an attack dog for the defense. The watchdog role is illustrated by a discussion of the decisions made by the author before accepting an invitation to testify as an expert.

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© Plenum Publishing Corporation 1986