This study examined the factors influencing the choice of the conjunctions "and" or "but" in joining two clauses of a compound sentence. Subjects were students at first-, fourth-, seventh-, and tenth-grade and adult levels. (Author/ED)

Examines themes evident in children's and mother's definitions of illness to determine how views of illness develop. Subjects were 264 children (ages 6 to 12-11) and their mothers. Two issues were considered: (a) patterned similarity in illness definitions, and (b) developmental changes in illness concepts. (ED)

Children in grades 1, 3, and 5 and college students were given a variety of judgment tasks contrasting the comparison of quantity with the comparison of proportions to determine whether the understanding of proportions develops before formal operations. Results indicated that the comprehension of abstract relations requires formal operations.…

Experiments by Russian educators on teaching algebra in elementary grades are summarized by the author. The algebra taught consisted of generalized solutions to concrete problems that are usually presented with fixed numerical values. (JP)

Cites research indicating competence is necessary condition of mental health. Defines cognitive competence as crucial form of mastery, attempts to show how it develops and illustrates how mental health depends on this capacity. Sketches out four conditions which psychological education curriculums can provide for facilitating students' acquisition…

This study was part of a project supported by the Medical Research Committee of the United Liverpool Hospitals, Research Scheme No. 74.

Research supported in part by research grant MH-12656 and training grant MH-8298, National Institute of Mental Health, U.S. Public Health Service.

Research supported by a grant form the U.S. Office of Education, Bureau of Research

Article developed from a talk presented to the annual assembly of the Canadian Society for Education Through Art (Winnipeg, October 26, 1968).