Barlow, D. , Hayes, S., & Nelson, R. (1984). The scientist-practitioner: Research and accountability in clinical and educational settings. New York: Pergamon.
2.
Lichtenberg, J. W. (1986). Counseling research: Irrelevant or ignored. Journal of Counseling and Development, 64, 365-366.
3.
Petzel, T. , & Berndt, D. (1980). American Psychological Association internship selection criteria: Relative importance of academic and clinical preparation. Professional Psychology, 11, 792-795.
4.
Premack, D. (1965). Reinforcement theory. In D. Levine (Ed.), Nebraska Symposium on Motivation (Vol. 13, pp. 123-179). Lincoln: University of Nebraska.
5.
Sturgis, D. , Verstegen, J., Randolph, D., & Garvin, R. (1980). Professional psychology internships. Professional Psychology, 11, 567-573.
