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)

Indicates that intervention by a mediator allows both negotiators to make concessions without appearing weak, thus speeding up the agreement. Bibliography, tables, and graph. (RW)

Reviews research studies concerning grip strength as an indicator of hand dominance and presents data from a two-day study with ten normal and ten retarded right-dominant preschool children. (MB)