Table 2. Daily Rates of Positive Reinforcement, Discipline, and Proportion Positive Reinforcement and Effect Sizes.

	Full sample		Intervention group		Control group
	M	SD	M	SD	M	SD
Baseline
Positive reinforcement	0.96	0.55	1.01	0.57	0.91	0.53
Discipline	1.27	1.18	1.31	1.24	1.22	1.13
Proportion positive reinforcement	0.53	0.27	0.53	0.27	0.52	0.27
Mean number of child problem behaviors/day	5.85	4.10	5.92	4.26	5.77	3.93
Termination
Positive reinforcement	0.98	0.57	1.06	0.60	0.88	0.53
Discipline	1.14	1.12	1.06	1.13	1.24	1.20
Proportion positive reinforcementa	0.56	0.28	0.60	0.28	0.52	0.28
Mean number of child problem behaviors/dayb	4.87	4.06	4.37	3.91	5.44	4.15

^aCohen's d = .29;

^bCohen's d = .26.