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 …

Up to now, leisure research on the parent-peer orientation of juveniles primarily has focussed on adolescents. The purpose of this study is to investigate the degree to which pre-adolescents as well as adolescents associate with parents and peers in their leisure time. Based on recent theoretical conceptions …