This article outlines the experiences of educators in three teacher education institutes in the USA, Australia and the UK as they experiment with carrying out programmes based on ideas of Action Research. The emphasis is on experiences with programmes of initial education for secondary school teachers. …

A construction method is given for all factors that satisfy the assumptions of the model for factor analysis, including partially determined factors where certain error variances are zero. Various criteria for the seriousness of indeterminacy are related. It is shown that B. F. Green's (1976) conjecture …

The results of this study indicate that whole body metabolic and cardiovascular responses to 140 min of either steady state or variable intensity exercise at the same average intensity are similar, despite differences in skeletal muscle carbohydrate metabolism and recruitment