This report presents two research studies. The first, an experiment using 176 fifth graders, tested three hypotheses: (1) When content is held constant across messages, different formats of a medium differentially call for mental skills. (2) Formats which call for the same skills in different ways affect learners differently. (3) The TV formats…

Differences in developmental trends of symptomatology between 30 adopted children and a matched control group of biological children, all referred to a child guidance clinic and reared within the kibbutz communal educational system, are examined. Results indicate that kibbutz adoptees' symptoms show a specificity different from city adopted…

Using 280 5th graders as subjects, an experiment was carried out to answer the following questions: (1) do certain indentified television formats have effects on cognition? (2) Is mastery of various cognitive skills correlated with extraction of knowledge from a television message which employs the corresponding format? It was hypothesized that:…

Self-concept, intelligence and academic achievement were examined in students preparing to teach in primary, elementary, secondary, and special education (N=267). Differences in self-concept, but not in intelligence and academic achievement, were found among groups of student teachers. (Author)