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Do assessors have too much on their plates? Rating quality and the number of simultaneously observed candidates in assessment center group discussions.


Melchers, K G; Kleinmann, Martin; Prinz, M A (2010). Do assessors have too much on their plates? Rating quality and the number of simultaneously observed candidates in assessment center group discussions. International Journal of Selection and Assessment, 18:329-341.

Abstract

It has been suggested that the large cognitive demands during the observation of assessment center participants can impair the quality of the assessors’ ratings. An aspect that is especially relevant in this regard is the number of candidates that assessors have to observe simultaneously during group discussions, which are one of the most commonly used assessment center exercises. The present research evaluated potential impairments of the quality of the assessors’ ratings (construct- and criterion-related validity and rating accuracy) related to the number of to-be-observed candidates. Study 1 (N = 1046) was a quasi-experimental field study and Study 2 (N = 71) was an experimental laboratory study. Both studies found significant impairments of assessors’ rating quality when a larger in comparison to a lower number of candidates had to be observed simultaneously. These results suggest that assessors should not have to observe too many candidates at the same time during assessment center group discussions.

Abstract

It has been suggested that the large cognitive demands during the observation of assessment center participants can impair the quality of the assessors’ ratings. An aspect that is especially relevant in this regard is the number of candidates that assessors have to observe simultaneously during group discussions, which are one of the most commonly used assessment center exercises. The present research evaluated potential impairments of the quality of the assessors’ ratings (construct- and criterion-related validity and rating accuracy) related to the number of to-be-observed candidates. Study 1 (N = 1046) was a quasi-experimental field study and Study 2 (N = 71) was an experimental laboratory study. Both studies found significant impairments of assessors’ rating quality when a larger in comparison to a lower number of candidates had to be observed simultaneously. These results suggest that assessors should not have to observe too many candidates at the same time during assessment center group discussions.

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8 citations in Web of Science®
9 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:06 Faculty of Arts > Institute of Psychology
Dewey Decimal Classification:150 Psychology
Date:2010
Deposited On:20 Dec 2010 16:16
Last Modified:05 Apr 2016 14:29
Publisher:Wiley-Blackwell
ISSN:0965-075X
Publisher DOI:https://doi.org/10.1111/j.1468-2389.2010.00516.x

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