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 Common Ingroup Identity Meta-Analysis
Posted by: Blake Riek
Title/Position: Associate Professor
School/Organization: Calvin College
Sent to listserv of: SESP, SPSSI
Date posted: August 10th, 2016

Dear Colleagues,

We are working on a meta-analysis of the effect common ingroup identity on intergroup attitudes and behavior. We are currently looking for any unpublished studies, data sets, or “in press” papers that include either a manipulation or measurement of common identity (or dual identity) and one or more of the following outcomes: intergroup bias, outgroup attitudes, prosocial behavior, discrimination, etc.

In order to be able to use the information in the meta-analysis, I need to be able calculate effect sizes, so I would need things like correlations, Cohen’s d, or means and SDs, etc.

Anything that you think might be relevant can be sent to .


Blake M. Riek
Associate Professor
Department of Psychology
Calvin College

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