Food and water restriction in the wrestler.

The present practice in wrestling of "making weight" is hazardous to the health of growing young men, primarily because competitors lose too high a percentage of body fat. The Tcheng-Tipton-Clarke method should be used to control food restriction, while observation of specific gravity of urine should be used to control fluid restriction and hydration.

Analysis of process data from token groups in a summer camp.

Forty-two campers who were attending a summer camp for disturbed children were treated by a combined group therapy-token economy approach in which peer judgments were the basis for tokens awarded for behaviors that occurred during the preceding 24-hour period. Process behaviors were studied to determine whether this approach would produce positive verbal behavioral change. Four variables changed significantly.