Table 7 Mean Rate and Range of Social Responding Behavior (%)

	Baseline(range)	Intervention(range)	Maintenance(range)
Child 1	6.6 (5.0~8.3)	69.9 (50.0~83.3)	77.4 (75.0~78.3)
Child 2	2.7 (0.0~8.3)	61.4 (58.3~78.3)	67.2 (65.0~68.3)