Introduces some methodological procedures from psychology that may be useful in curriculum research. Although the notion of construct validity lends itself well to an area as complex as curriculum, the author experienced difficulty finding studies that utilized a multimethod, multitrait matrix approach. (Editor)

Research was conducted that initially focused on identifying and synthesizing the large number of previously identified vocational special needs teacher competencies into an educational model. The model contained a matrix that organized all these competencies into twelve domains of four performance phases each. The Competency Matrix was the…