The level of discourse theory was empirically tested to determine its usefulness to researchers in selecting independent variables for population and subpopulation models of leisure participation. Recommendations for combining social aggregate and social action independent variables in population and subpopulation participation models are…

Defines and illustrates basic concepts of dichotomous logistic regression (DLR) and presents strategies for teaching these concepts. Strategies include using analogies between ordinary least squares regression and logistic regression; illustrating concepts with contingency tables; and linking logistic regression concepts to interpretation of…

The various costs of Type I and Type II errors of inference from data are discussed. Six methods for minimizing each error type are presented, which may be employed even after data collection for Type I and which minimizes Type II errors by a study design and analytical means combination. (Author/CM)

Describes the development of computer-assisted instructional software designed to supply future teachers with a repertoire of songs and related music concepts for classroom use. Tests the efficacy of the software at two preservice teacher education programs. Students in both programs thought the software served their needs. (MJP)