The purpose of this study was to examine third-grade student achievement in mathematics and reading for students who were in skill groups, as compared to those who were traditionally grouped, with student attendance being taken into consideration as a variable of additional comparison. Skill groups are a type of flexible ability grouping, where…

Two years of observation of the behavior of visitors in several museums led to the knowledge of the degree of simplicity that is desirable in museum surroundings and of the need for pamphlets that are better prepared than the usual guide books and catalogs. It also led to the advice that museum directors become experimental psychologists, and that…