Existing research posits multiple dimensions of bullying and victimization but has not identified well-differentiated facets of these constructs that meet standards of good measurement: goodness of fit, measurement invariance, lack of differential item functioning, and well-differentiated factors that are not so highly correlated as to detract…

Extensions of the confirmatory factor analysis approach to multitrait-multimethod data are demonstrated, and self-other agreement on multiple dimensions of self-concept are evaluated in 2 studies investigating the ability of significant others to infer multiple dimensions of self-concept for 151 Australian and 941 Canadian college students. (SLD)

The construct validities of the Self Description Questionnaire I, the Perceived Social Competence Scale, and the Multidimensional Measure of Children's Perceptions of Control were assessed, using 508 seventh through ninth graders in Sydney (Australia). Factor analysis, multitrait-multimethod analyses, and patterns of correlations with additional…