Presents experimental evidence showing that the desirability of an alternative choice increases when one's freedom to choose it is threatened; this reactance will be reduced if freedom is reinstated by another person; and desirability will also be reduced if another person under similar threat manages to restore his own freedom. (RW)

Reviews experimental literature on the use of this technique to study personality and social variables. Two experiments on five related variables are reported. (SE)

Shows that subjects who receive the impression that psychology experiments are worthless exert less time and effort in task performance than subjects who believe in favorable comments, although both groups indicate similar amounts of effort on self-rating scales. Bibliography and table. (RW)

Sees motives of cooperation and noncooperation as a function of the game's reward system and infers that the same motives may operate in real-life situations. Bibliography, tables, and graphs. (RW)