Reports on a study that sought to test theories which predict that spacing between two items to be learned improves the probability of remembering at least one of the items. (AM)

Learning behavior of young children of contrasting socioeconomic backgrounds is examined in this study, which poses the question: what are the necessary or sufficient environmental conditions for the establishment of identifiable patterns of behavior? Socioeconomic level (SEL), the principal independent variable, was defined in terms of parental…

Studies in the past have shown that reinforcements independent of the subjects actions may induce a feeling of helplessness. Most experiments on learned helplessness have led researchers to believe that uncontrollability (non-contingency of feedback upon response) was the determining feature of learned helplessness, although in most studies…

This bibliography, made up of approximately 350 entries concerned with many aspects of problem solving and concept formation in young children, has been designed for use by people primarily involved in experimental research in these areas of child development. Entries include experimental journal articles, conference papers, unpublished research…

IT IS RECOMMENDED THAT THOSE WHO HAVE THE RESPONSIBILITY FOR DEVISING TRAINING PROGRAMS IN INDUSTRY BE AWARE OF THE PROCESS OF EXPERIMENTAL PSYCHOLOGY AND SUBMIT NEW SKILLS TO FUNDAMENTAL ANALYSIS RATHER THAN IMITATE TECHNIQUES THAT HAVE WORKED IN OTHER SKILLS. THERE IS A LACK OF A SUFFICIENTLY WELL-TESTED SYSTEM OF PRINCIPLES OF TRAINING AND OF A…