Research relating to the factor structure of the Sixteen Personality Factor Questionnaire (16PF) and the Clinical Analysis Questionnaire is reviewed. Different opinions about the factors measured by the 16PF are discussed. Focusing on the second-order factor level could eliminate problems with the instruments' reliability. (SLD)

The validity of the Organizational Commitment Questionnaire as a measure of organizational commitment in the Japanese culture was studied with 1,481 Japanese employees. The three-factor model was a better fit to the data than the one- or two-factor models. Results support the cross-cultural utility of the measure. (SLD)

The Second International Mathematics Study was conducted in 20 countries under the sponsorship of the International Association for Evaluation of Educational Achievement (IEA). Among the instruments used in this study was a questionnaire investigating student attitudes about school, instruction, and mathematics. The fit of an a priori model that…