Why Some Teams are Smarter than Others
http://www.nytimes.com/2015/01/18/opinion/sunday/why-some-teams-are-smarter-than-others.html?action=click&contentCollection=Pro%20Football&module=MostEmailed&version=Full®ion=Marginalia&src=me&pgtype=article

3 dynamic ingredients for "smarter teams"::
a) Speaking up equally across team members
b) Strong skills in reading and keeping track of what others feel, know and believe.
c) Having more women than men in the group
Interesting to note:
1) These results are consistent across online and offline modes of interaction.
2) Groups with members of higher IQ do not score much higher than groups with lower IQ scores..