1. Cost effectiveness in behavioral family therapy;Christensen,1978
2. Phillips, S. Personal communication, August 1977.
3. Methodological issues in naturalistic observation: Some problems and solutions for field research;Johnson,1973
4. Evaluation of family intervention through unobtrusive audio recordings: Experiences in “bugging” children;Johnson;Journal of Applied Behavior Analysis,1976
5. Interventions for boys with conduct problems: Multiple settings, treatment, and criteria;Patterson;Journal of Consulting and Clinical Psychology,1974