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The Predictive Validity Of A Police Officer Selection Program, Neil Bingham Davidson

Dissertations and Theses

This study was designed to determine the predictive validity of a police officer selection program and identify the contribution made by each major selection device to the total program. Police officers employed by the Portland Police Bureau who had completed three years of post-probationary employment were randomly assigned to a validation group and a cross-validation group on a two for one basis respectively. Beta weights were computed for the written test, interview and psychological scores in the validation group. The regression formula was then applied to the data in the cross-validation group. A cross-validation R of 0.12 was obtained between …