In an effort to clarify understanding of the concept of critical learning periods, this paper discusses problems that people concerned with the motor development of children have had determining relationships between critical periods and learning, and a "readiness model" is offered as a solution that could enhance understanding of critical…

This study continues the investigation of the general organizational plan used by good motor learners in acquiring a complex motor skill (tennis serve). The General Serve Problem Solving Model (GSPS), developed in earlier research, was utilized in an effort to improve and broaden it so that other types of learners may be studied and compared. Six…

The proceedings include addresses by Logan Wright on highlights of human development from birth to age 11, Leonard A. Cohen on development and function of the mechanisms of perception, Eric Denhoff on motor development as a function of perception, and Alan Hein on exposure history in spatial-motor development. Also provided are reports by William…