Triangulation -- a combined use of different assessment methods or sources to evaluate psychological constructs -- is still a rarely used assessment approach in spite of its potential in overcoming inherent constraints of individual assessment methods. This paper uses field test data from a new OECD Study on Social and Emotional Skills to examine…

Studied the convergent and discriminant validity of multiple measures of perceived competence and obtained 12 separate multitrait-multimethod (MTMM) data sets for 1,228 children in grades 3 through 8. Examined the bias inherent in appraisals of children's competence and estimated manifest and latent variable mean differences between boys and girls…

Results of an investigation of the construct validity of measurements of social and academic competencies of 175 3rd graders, 193 7th graders, and 159 11th graders made by the students themselves, teachers, parents, and peers suggest that researchers should consider making greater use of parent ratings for elementary school students. (SLD)