The purpose of this study is to assess the utility of applying reinforcement theory to the observational study of pupil-initiated verbalizations within the classroom. (Author)

Article is concerned with a model for school system evaluation. The usefulness of the indices from this model depend on their stability, and this study presents evidence related to their stability when pupils and factors related to time are considered as sources of error. (Author/RK)

This study is a followup of a sample of 222 teachers with two years experience. Their self-ratings of satisfaction and dissatisfaction with teaching and the rating of their head teachers were measured on a scale based on the critical incident technique'. (Author/RK)

An examination of the weaknesses of the common statistical approaches suggests that change scores are unnecessary and often even inappropriate for statistical studies. Alternative statistical procedures are suggested. (Author/VW)

Similarities between regression analysis and analysis of variance are noted and it is argued that the former has advantages over the latter. It is also argued that canonical correlation analysis is more suitable than factor analysis in certain cases. The argument is illustrated with four recent pieces of educational research. (DG)

Reviews research studies concerning grip strength as an indicator of hand dominance and presents data from a two-day study with ten normal and ten retarded right-dominant preschool children. (MB)