The results of an unusual test with 1,300 families indicate that payments would not reduce their incentive to work. (DM)

Earlier version of this paper was delivered to the 1972 Convention of the Eastern Psychological Association, Boston, Mass. (RS)

These data tend to refute the widespread notion that thought disorder is unchangeable. (Author)

Learning occurred faster with a fixed input grouping sequence than with a changing sequence. (Authors)

Experiments reported here were designed to investigate the drive known as epistemic curiosity which Berlyne had previously demonstrated by showing that subjects given a questionnaire and then a set of statements including answers to the questionnaire recalled more of these answers than subjects not given the questionnaire. (Authors/MB)

Results of these experiments are evaluated in conjunction with the hypothesis that frequency information is a dominant attribute in recognition decisions. (Author/MB)

The usual finding of superior recognition memory for rare items was observed. (Authors)

Two experiments were designed to detect frustration phenomena hitherto only observed in subhuman animals, frustration being defined as the omission of the response item after a correct anticipation in a partial reinforcement schedule. (Authors)

The interaction between age and conceptual tempo was a consistently significant finding. (Author)

From this study it might be concluded that the development of conservation of quantity cannot be explained by maturation. (Author)

Results suggest that biodata provide a reliable set of measures to be used in the prediction of need for approval in male college freshmen. (Authors)

The data on physical fitness, body attitude and self-concept support the contention that a healthy attitude progresses through the physical sphere. (Author)

Results of this study indicates a need for diverse and concrete social learning materials in the preschool environment. (Authors)

Experiment to determine whether the use of realistic materials would improve performance in a deceptive reasoning problem. (Authors)

An investigation to determine what essential role characteristics lead to successful music programs. (CB)