Problems of differentiation and uniformity of educational provisions are products of the era of emphasis on equality of educational opportunity. Three typical national solutions are dealt with in this paper: the American comprehensive model, the Western European elitist model, and the Eastern European model of a unitary school. (Author)

A study traced the career development of 557 females from central Sweden who were participants in the Individual Development and Adjustment longitudinal study during its third year in 1968 (at which time they were in grade 6). The second part of the survey, which was conducted via a questionnaire mailed to all subjects when they were 26 years old,…

Starting with laboratory research on the suppression of visualization in reading, this study investigates effects of treatments (reading vs. listening and pictures vs. no pictures, in a 2x2 design) and aptitudes on the learning of verbal and spatial types of content. Approximately 100 fifth grade pupils were given a battery of four ability tests,…