The intention of this study is to explore the possibility that the leader behaves differently to different subordinates. (Author)

Dimensional analysis, defined as the synthesis of dimensionless variables, is presented in a conceptual framework and is then applied to the modeling of interurban migration. The selection of independent variables, the synthesis of dimensionless groups, and the analysis of data are considered. (Author/DN)

Research supported by a grant from the National Institutes of Health. (DD)

Findings are discussed in terms of traditional personality-trait theory and cognitive development theory. (Authors)

Portions of this paper were read as part of a symposium on The Meaning of Smiling and Vocalizing in Infancy'' at the 1970 meeting of the American Psychological Association, Miami Beach, Florida, September, 1970. (Editor)

The workshop described here was designed to initiate skeptical school personnel to a form of sensitivity training, the T-group approach, while providing a safe and non-threatening atmosphere of exposure. (Authors)

Previous studies have shown that retesting of groups of subnormal pupils does not lead to significant increases in the mean IQ; this present study confirms this for non-immigrant pupils. In contrast, however, there is a significant rise in the mean IQ of a group of immigrants. (Author)

Results clearly demonstrated the existence of perceptual sets in children under 4 years. The interpretation of findings suggests a process whereby the present method was successful in creating the mediating conditions necessary for a perceptual set. (Authors)

The performance of the older subjects (10 years and up) was facilitated by the organizational cues, whereas that of younger subjects was not. (Author)

Results of the present study confirm the importance of the contingency variable in experiments dealing with the effect of supportive comment upon children's performance. (Author)

The educational implications discussed emphasized the efficacy of adapting feedback to the individual student. (Author)

Data showed that consistent punishment resulted in faster inhibition than inconsistent punishment; subjects who were punished showed less persistence than subjects placed on an extinction schedule. (Authors)

Socioeconomic factors which differentiate social-class groups vastly overshadow any within-family treatment factors that might affect intellectual growth. (Authors)

Although past experience may operate to produce an initial increase in undesired behaviors during behavior modification procedures, the data of the present study demonstrate that these behaviors will decrease if the model is not abandoned at the point when the behavior appears to be getting worse rather than better. (Authors)