Results were in close agreement with interference theory and the findings of paired-associate research. (Author)

Vocal pitch acuity on ascending intervals is highly superior to acuity on the same descending intervals. (Author)

Presents procedures, results, and conclusions of a research study designed to determine whether providing knowledge of results after each response on an arithmetic exercise would result in performance different from that obtained when knowledge of results is provided following completion of the exercise. The subjects were three fourth grade…

Color and form preferences of kindergarten, first and third grade Ss were tested using standard two-dimensional geometric forms. (Author)

Article examines the effects of nonreinforced trials during presolution of a concept identification task. (Author/ML)

Article focuses on three issues in verbal discrimination learning: effect of list length, effect of the study-test method as opposed to the anticipation procedure, and transfer and retroactive effects when the interpolated task consists of a reversal of the right and wrong functions of the members of the pairs. (Author/ML)

The research reported here has suggested some directions for future research designed to specify those environmental conditions that are most likely to lead to growth in internal control among children. (Author)