Zander, Stotland, and Wolfe (1960) Created Groups of College Students

Zander, Stotland, and Wolfe (1960) created groups of college students who worked together on a project. The groups were created to be either high or low in cohesion. Zander et al. found that the members of the cohesive group

A) felt positively about themselves regardless of whether the group succeeded or failed.
B) felt more positively after the group succeeded at a task, but more poorly after they failed.
C) worked harder at the task but felt more poorly about themselves.
D) worked less at the task but felt more positively about themselves.