The relationship between individual difference variables and the contributi
on to team functioning was examined in 58 members of management teams. Extr
aversion and self-efficacy for working in teams were related to attraction
to the team, which in turn was related to a rating of team effectiveness. E
xtraversion was also related directly to team effectiveness. The relationsh
ip between conscientiousness and team functioning was not clear. The result
s are considered supportive for the validity of self-efficacy for teams and
extraversion as indicators of the ability and propensity of individuals to
contribute to the functioning of management teams.