Group versus individual performance

Are N?+?1 heads better than one

Bibliographic Data

ID4422955
AuthorsGayle W Hill (Michigan State University, corresponding author)
Year1982
Volume91
Issue3
Pages517-539
Publication date1982-01-01
Peer ReviewedYes
Open AccessNo
TypeARTICLE
VenuePsychological Bulletin (JOURNAL)
Journal identifiersISSN: 0033-2909 • E-ISSN: 1939-1455
PublisherAmerican Psychological Association (APA) (PUBLISHER)
DOI10.1037//0033-2909.91.3.517
OpenAlexW3179826736
LanguageEN
Citations received40

Experimental comparisons of groups and individuals were analyzed on four dimensions: task, process, individual differences, and methodology. A standardized terminology based on Lorge, Fox, Davitz, and Brenner was developed to preserve operational definitions in the comparisons of (a) group versus individual, (b) group versus the most competent individual in an aggregate, (c) group versus pooled responses of an aggregate, and (d) group versus math models of performance. Research supported Steiner's theory of process loss but also suggested evidence for process gain. To avoid confounding of group conditions and subject variables, this review-focused on the results of random assignment of subjects to conditions. Belief in the adage that two heads are

Aggregate (composite) · Confounding · Econometrics · Group (periodic table) · Linguistics · Meta-analysis · Random effects model · Statistics · Task (project management) · Terminology · Engineering · Mathematics · Medicine · Psychology · Social Psychology · Team Dynamics and Performance