1. Ashcraft, C. W. (1971). The later school adjustment of treated and untreated emotionally handicapped children.Journal of School Psychology, 9, 338?342.
2. Baer, R. A., & Nietzel, M. T. (1991). Cognitive and behavioral treatment of impulsivity in children: A meta-analytic review of the outcome literature.Journal of Consulting and Clinical Psychology, 20, 400?412.
3. Barrett, C. L., Hampe, I. E., & Miller, M. C. (1978). Research on child psychotherapy. In S. L. Garfield & A. E. Bergin (Eds.),Handbook of psychotherapy and behavior change: An empirical analysis (2nd ed., pp. 411?435). New York: Wiley.
4. Casey, R. J., & Berman, J. S. (1985). The outcome of psychotherapy with children.Psychological Bulletin, 98, 388?400.
5. Cohen, J. (1988).Statistical power analyses for the behavioral sciences (2nd ed.). Hillsdale, NJ: Erlbaum.