For some of the older self-concept measures internal consistency reliabilities, especially for subscales, are only in the .70 range. Some newer instruments, however, attain internal consistency coefficients in the .90's. To help in choosing a test, prospective test users should consult technical manuals and test reviews carefully before making a final choice. Finally, most empirically scored self-concept measures were developed more for research than for clinical use. Normative samples are seldom anywhere near as useful as for tests of achievement or ability.
Information relating test scores to problem behavior is virtually absent.
Counselors should use scores from self-concept measures very cautiously when working with individual clients. The assessment of self concepts of educational achievement by a criterion referenced approach. The self-concept in theory, measurement, development and behaviour. Publication Unit, Faculty of Education, University of Western Sydney. Society and adolescent self-image.