Multiple classification refers to the combination of the common attribute of one class with the common attribute of another class such that the multiple class is defined by the simultaneous presence of both attributes. (Authors)

The possible interaction between age-relevant facilitative instructions and the occurrence of phonetic and semantic generalization was investigated. (Author)

Reinstatement is the increased retention of previously learned behavior. (MB)

Main effect of reinforcement for mean response latency indicated that subjects took longer to respond under disapproval than under approval or silence. (Authors)

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

Study reaffirmed the central significance of the peer group's influence on adolescent behavior. (Authors)

Observed liberal-stringent model behavior significantly affected both the subject's subsequent self-reward behavior and performance. (Authors)

Results indicated that the children's behavior had an effect upon the parents, with mothers and fathers interacting more and being more controlling when the children were dependent. (Authors)

A 40-month-old child with severely retarded speech development was studied in the home in order to investigate speech development as a function of levels of naturally occurring parental stimulation. (Authors/MB)

Major finding from this survey is that both anxiety and locus of control do not seem to bear consistent relationships to social class. (Authors)

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)

Results reflect primarily a higher number of instructional contacts to girls rather than a tendency of teachers to be more reinforcing to them. (Authors)

Testing Pollack's hypothesis that decreases in effective contour contrast (resulting from a decrease in receptor sensitivity with age or from a change in actual stimulus contrast) lead to decreases in illusion magnitude. Conclusions are questioned by Sjostrom and Pollack (PS 501 740). (Author/MB)

Questions the conclusions described in PS 501 739. (MB)

It was shown that hierarchies change with development and that relative salience of a dimension is negatively associated with both reaction time of choice and number of errors on the identity task. (Authors)