Purpose of these four experiments was to elucidate the role of grouping in remembering words by using single-trial free recall. (Author/CB)

The construct of conservation, as presently studied in dichotomous form (i.e., Conservers vs. Nonconservers), may be a convenient fiction, but that is all it is. There seems to be great need to treat this dimension as the continuous variable it really is. (Authors)

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

A combination of readiness and body-part training was the most effective in producing number conservation with external objects. (Authors)

Reports four experiments conducted to test the effect of type of reward and source of social reinforcement on task performance and self image of black working-class adolescents. Manpower Research Visibility is a supplement to American Vocational Journal. (SB)

Contrary to Piaget's predictions, adolescent retardates and 9-year-old normals were more susceptible to the Oppel-Kundt Illusion than high school sophomores and adults. No group differences were found on the Poggendorf Illusion. (MH)

This study describes significant job viewpoints and interpersonal attitudes of candidates for residence counseling positions. Selection and training of these staff members should place emphasis on both professional attitudes and personal and social development. (Author)