Variables affecting leniency, halo and validity of self-appraisal

Three experimental manipulations were examined for altering leniency, halo and concurrent validity of self‐ratings: (a) cautionary instructions regarding cross‐checking of self‐evaluations, (b) inclusion of dimensions less relevant to the immediate assessment setting, and (c) the use of positively t...

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Bibliographic Details
Published in:Journal of Occupational and Organizational Psychology 1994-03, Vol.67 (1), p.45-56
Main Authors: Fox, Shaul, Caspy, Tamir, Reisler, Avner
Format: Article
Language:English
Subjects:
Bias
Biological and medical sciences
Employee promotions
Fundamental and applied biological sciences. Psychology
Halo effect
Israel
Occupational psychology
Orientation. Selection. Evaluation
Police
Police officers
Psychological aspects
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Self evaluation
Self image
Selfappraisal
Social research
Statistical analysis
Validity
Variables
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Summary:Three experimental manipulations were examined for altering leniency, halo and concurrent validity of self‐ratings: (a) cautionary instructions regarding cross‐checking of self‐evaluations, (b) inclusion of dimensions less relevant to the immediate assessment setting, and (c) the use of positively toned, unbalanced scales. A sample of 275 Israeli police officers rated themselves at the end of an assessment centre designed to assess supervisory potential. Rating forms contained 12 dimensions of high and low relevance to promotion potential. Half of the subjects were prewarned that their ratings would be matched with other data. In an overlapping manipulation, half rated themselves on conventional balanced scales while the other half were given positively toned, unbalanced scales. It was found that leniency and halo were reduced by unbalanced scales and the introduction of less relevant dimensions, but not affected by cautionary instructions. These decreases in bias were accompanied by increased convergent validity (vis‐à‐vis peer and supervisory ratings) in the case of unbalanced scales. Discussion focuses on the role of self‐enhancement motives in leniency effects, as well as the relation between bias and validity. Practical suggestions for improving self‐rating procedures are offered.
ISSN:0963-1798
0305-8107
2044-8325
DOI:10.1111/j.2044-8325.1994.tb00548.x