Social Environment Group Composition

Hypothesis 1 Individuals contribute differently to the group product, depending upon the particular other individuals in the group.

Hypothesis 2 Members of high-cohesive groups communicate with each other to a greater extent than members of low-cohesive groups.

Hypothesis 3 The pattern and content of interaction are more positively oriented in high-cohesive than in low-cohesive groups.

Hypothesis 4 High-cohesive groups exert greater influence over their members than do low-cohesive groups.

Hypothesis 5 High-cohesive groups are more effective than low-cohesive groups in achieving their respective goals.

Hypothesis 6 Members of high-cohesive groups are generally better satisfied than members of low-cohesive groups.

Hypothesis 7 Compatible groups are more effective in achieving group goals than are incompatible groups.

Hypothesis 8 Members of compatible groups are better satisfied than members of incompatible groups.

Hypothesis 9 Other things being equal, groups composed of members having diverse, relevant abilities perform more effectively than groups composed of members having similar abilities.

Hypothesis 10 Members conform more in mixed-sex groups than in same-sex groups.

Hypothesis 11 Racial heterogeneity tends to create interpersonal tension which is reflected in the feelings and behaviors of group members.

Hypothesis 12 Groups whose members are heterogeneous with respect to personality profiles perform more effectively than groups whose members are homogeneous with respect to personality profiles.