Describes an empirical study of the effect of computer game practice on the improvement of skills that are related to visual perception in young children. Treatment of experimental and control groups of kindergarten children in Israel are described, and recommendations for the use of computer games versus educational games are given. (23…

Criticizes the statistical methods used in a previously published article that compared a commercially produced computer program with traditional teaching methods. Measures of instructional effectiveness are described, the assignment of student pairs is examined, and the use of blocking variables with analysis of variance is discussed. (LRW)