Results of research on the influence of body size and composition on peak force and maximal rate of static strength exertion as measured from force-time curves indicates that rate of force production is somewhat independent of peak force, yet influenced by body size and composition, as is peak force. (MB)

A motor performance typology of boys and girls (ages 6-10 years) was developed, based on four factors extracted by factor analysis from data on 47 physical growth and motor performance variables. Nineteen variables which best described the four factor-defined components were used in formulating the person-clusters (typologies) following Tryon's…

This interim report of the Yale Project describes the progress made on the nutrition and growth study of Tunisian children from September 1, 1972 through February 28, 1973. A major part of the report is devoted to the organizational and data collection problems of the longitudinal study, discussed under the following categories: biomedics,…

This document is Part I of a two-part project whose goal was to identify the sequential development of child behavior from birth through age seven and to identify the materials which could be used to strengthen or initiate a behavioral facet. Research on child development was collected, organized, and analyzed for correlative events pertinent to…

The author's purpose in this article is to discuss the aspects of language (especially the development of language in children) to which biological concepts are most appropriately applied. While results of past studies would seem to show that language development is contingent on specific language training, it is important to distinguish between…