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. Author manuscript; available in PMC: 2013 Jan 14.

Published in final edited form as: Infancy. 2007 Jan 1;11(1):1–30. doi: 10.1207/s15327078in1101_1

TABLE 4.

Mean, Standard Deviation, and Range for Child Engagement in the Pretense Condition in Both Experiments

	Experiment 1				Experiment 2

	15 Month^a	18 Month^a	24 Month^a	Average^b	18 Month^c
Smile
M	1.17	2.11	3.61	2.42	2.95
SD	1.65	1.57	2.40	2.20	2.46
Range	0–5	0–5	0–10	1–10	0–9
Behavior
M	3.50	5.67	6.94	5.42	4.43
SD	3.19	3.61	4.61	3.92	2.48
Range	0–10	0–12	0–16	0–16	0–10
Engagement
M	4.67	7.78	10.56	7.87	7.38
SD	3.48	4.60	5.87	5.23	4.24
Range	0–11	1–16	2–24	0–24	0–17

^a

n = 18.

^b

n = 54.

^c

n = 37.