Cohesion Develops Differently in Exercise Groups

Cohesion develops differently in exercise groups. It has been found that

A) task and social cohesion remain stable over time.
B) task cohesion remains stable, but social cohesion changes.
C) task cohesion changes, but social cohesion remains stable.
D) task and social cohesion change over time.
E) task cohesion increases, while cohesion decreases.