Briefly explains Piaget's theory of intellectual development and its implications for teachers. (LS)

Area and measurement tasks representative of those used by Piaget were administered to 168 primary students. Data were analyzed to determine effects of sex, age, and task sequence. (SD)

Reviews Piaget's stages of development and describes types of educational activities which are appropriate for specific levels of cognitive development. (CP)

Performance of first and second graders on measurement problems indicated that they are unable to relate the measurements of objects using different units to visual comparisons of quantities. (SD)

Reviews research in the area of scientific classification of botany concepts. The acquisition, transfer, and ability to use cognitive skills were investigated. (CP)

Students using the Science Curriculum Improvement Study curriculum were informally observed to be incapable of defining a system although they could perform related tasks. A study was performed to determine students' understanding of various aspects of systems. (SD)

Article examined the plight of the Amerasian student and a study of their educational growth patterns. (Author/RK)

Reports a study investigating the relationship between cognitive styles and the preschool child's use of play areas in nursery schools, using daily observation and two tests of analytic perceptual ability. (ED)

The relationship of ego development and the structure of political reasoning among student leftists is examined. The results indicate that lower stage subjects see politics in terms of the emotional effect upon themselves while higher stage subjects see politics in terms of human development and justice. (DE)

Reports on a portion of a long-term investigation carried out to determine the prognostic significance of newborn behavioral assessments for later development and behavior, in terms of identifying a subpopulation which would be a high risk group. (Author/SDH)

Both forms of the Muller-Lyer illusion were presented to the normal and retarded subjects to determine possible changes in illusion strength in either or both forms of the illusion when age, amount of repetition, and IQ were varied. (Author/ED)

The author examines current techniques used to teach elementary school children how to analyze and compare. Emphasis is placed upon developing these modes of mental activity while teaching biological concepts. (DE)

Attempts to clarify the basis for the unusual responses to observed movement by 7-year-old children, as compared to adults, discovered by Olum. Subjects were 40 first and third graders. Results indicate that these responses are genuine and that they go through a developmental evolution. (SDH)