Factor analysis of FIRO-B data obtained from new software product team
s has led to a reformulation of Schutz's ideas on team compatibility.
The concept of Group-Warmth as a derivative of the FIRO-B Inclusion an
d Affection scales was developed and shown to be related to the commer
cial effectiveness of teams. In a like manner, the FIRO-B constructs o
f Control-Expressed and Control-Wanted were explored through concurren
t factor analysis of 16 PF data. A new interpretation has been given t
o both FIRO-B Control scales, namely, Assertive-Impulsive.