Prediction was not supported that responses followed by positive or negative social consequences would immediately be repeated or changed, respectively. (Author/MB)

It was hypothesized that individuals who can easily detect differences in the timbre of tone would be more likely to appreciate musical instruments with more complex sound waves, and that the degree of this tendency would be directly proportional to the length of time one has played the instrument. (Authors)

Study is concerned with the commonalities between the development of skill and the development of problem solving. (Authors)

Results imply that in early childhood education the language of test instructions and reading programs could be better geared to the child's linguistic competence. (Author)

An investigation of immediate and delayed vicarious reinforcements upon children's imitative self-sacrificing behavior. (Author/MB)

Some infants, soon after birth, are capable of storing visual information as reflected in their ability to detect and respond to change in the immediate environment. (Author)

The criticism of the Westinghouse-Ohio National Evaluation of Head Start is answered. (CK)

Nonsense syllables and two-arm semaphore" positions were the tasks in this study of experience free learning. (MB)

Aim of this experiment was to determine whether the increased retention of early learned behavior in animals might also be operable in children. (Authors/MB)

The task for the research reported in this paper was to clarify the conditions that are responsible for the diminished effectiveness of social approval following pre-exposure. (Authors)

Results indicated that the normal achievers learned more effectively under person and performance reinforcement than under tangible reinforcement, whereas the reverse was true for low achievers. (Author)

Purpose of the study is to test Piaget's hypothesis of a parallel relationship between moral concepts and logical structures in human development. (Author)