The systematic distortion hypothesis, halo, and accuracy: an individual-level analysis

Article Abstract:

In several social perception studies investigators have concluded that raters' semantic conceptual similarity schemata serve to guide and constrain dimensional covariance in the rating judgment process. This effect has been hypothesized to be most likely when ratings are memory based and raters lack relevant job or ratee information. Recent research that has explored the effects of conceptual similarity schemata on performance ratings and halo error has provided some limited support for this systematic distortion hypotheses (SDH). However, these studies are limited because researchers have examined this phenomena using group-level analyses, whereas the theory references individual-level judgment processes. The present study investigated the phenomena at the individual level. The effects of varying levels of rater job knowledge (high, medium, and low) and familiarity with ratees (high and low) were examined for conceptual similarity-rating and rating-true-score covariation relations, for measure of halo, and for rating accuracy components. Result provided support for the SDH, but indicated a boundary condition for its operation and revealed some surprising findings for individual-level rater halo. (Reprinted by permission of the publisher.)

Perception, Perception (Psychology), Conceptualism

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A note on the statistical correction of halo error

Article Abstract:

While many practitioners consider it possible to statistically correct performance evaluations to eliminate the halo effect, this may not be wise. Halo, rather than being simply a numerical anomaly, could actually change the performance of the individual, producing results that are more deeply skewed than might be thought. This would preclude a merely statistical reaction to the problem.

Performance standards, Job evaluation

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Job knowledge, ratee familiarity, conceptual similarity and halo error: an exploration

Article Abstract:

A study tested the hypothesis called semantic conceptual similarity, as a source for halo distortions in performance evaluations. Using baseball players, the study measured the conceptual similarity that arose when players were given correlation performance factors they did not understand. The results support the hypothesis.

Semantics

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