If anyone is interested in better research on diversity and team outcomes, I recommend looking into research on "faultlines" in teams. It is an interesting way of operationalizing diversity and predicting its effects.
I can't find a direct link to the PDF at the moment. That's the original article. There's been a lot of research since testing the theory, typically supporting it (though I'm not 100% up to date on this topic).
Link to abstract: http://amr.aom.org/content/23/2/325.short
I can't find a direct link to the PDF at the moment. That's the original article. There's been a lot of research since testing the theory, typically supporting it (though I'm not 100% up to date on this topic).