1. Effects of observer presence on family interaction;White,1973
2. Treatment of conduct problem children: B. A. and/or Ph.D. therapists;Kent,1976
3. Effects of social reinforcement on isolate behavior of a nursery school child;Allen;Child Development,1964
4. Time sampling in studies of social behavior: A critical review of technique and results with research suggestions;Arrington;Psychological Bulletin,1943
5. Midwest and its children: The psychological ecology of an American town;Barker,1955