Some of the procedures for developing and validating learning sequences or learning hierarchies are explored. For each of these procedures, references are provided that can be used for additional study or clarification of the procedures. (Author)

Reported is a test of retention related to a weight, texture, and force experiment performed by a group of 120 first grade students who had been randomly grouped into three treatment strategies. The results of the retention task, accuracy test, an analysis of the strategies used on both posttests and retention tests, and some miscellaneous post…

Centrally concerned with research which investigated how people learn from pictures, this issue of "Viewpoints" provides a series of review articles and a bibliography. The first article reviews recent research using adult subjects in commonly used psychological research paradigms--recognition memory, recall associate learning--and introduces…