Among the phenomena covered are superstitious behavior, learned helplessness, experimental neurosis, anaclitic depression as a result of maternal separation, and physiological disturbances such as ulceration. (Author/AM)

"Five roles are considered by which systematic, quantified field research can augment controlled laboratory experimentation in terms of increasing the validity of laboratory studies." Advocates that comparative psychologists should "take more initiative in designing, executing, and interpreting our experiments with regard to the natural history of…

Examines several issues relative to the role of immaturity in the instruction of man, and how the young are inducted into the species. (DM)

This review of research on the preschool years asserts that a general behavior analysis of those years is essential not only because of its importance as a developmental stage but also because there is a need to fill the knowledge gap between the principles of animal behavior and the principles of practical applications to childhood problems.…