The natal influences, and the inter- and intrapair intellectual differences of 16 sets of identical twins were evaluated in a retrospective study. (DP)

Examines the history and effects of bibliotherapy, as well as problems in terminology and in finding documentation of its influence. Several studies are briefly discussed which do not support the claims of proponents of bibliotherapy. Forty-nine references are included. (BK)

Examines the impact of Arnold L. Gesell on developmental psychology. Gesell is best remembered for his developmental norms, acquired from observations of infants and children. Gesell's ideas about maturation have lost favor, but his belief in infants' native abilities is still a dominant theme in theories. (BC)

Evaluates John B. Watson's contributions to developmental psychology. Watson's insistence on objective methodology in psychology retains its influence, but his extreme environmentalism has been rejected. His concern with the principles of learning is reflected in the work of Hull and Skinner. (BC)

This article briefly describes Rational Emotive or Rational Behavior Therapy. Some historical data is given regarding its developer, Dr. Albert Ellis, and his beliefs. In addition the following rational concepts are examined: (1) the anatomy of an emotion; (2) the characteristics of rational thoughts; and (3) the rational self-analysis of…

The perception of self-determination (internal control orientation) as a counseling technique for client motivation in rehabilitation programs. (AG)