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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Cogn Dev. 2015 October-December;36:1–19. doi: 10.1016/j.cogdev.2015.07.001

Table 2.

Group Means (and SD) for False Belief Understanding, Emotion Understanding, and Social Competence

Pretest Posttest 1 Posttest 2



Experimental

Storybook
Control
Non-
Treatment
Control
Experimental

Storybook
Control
Non-
Treatment
Control
Experimental

Storybook
Control
Non-
Treatment
Control
False Belief Understanding 2.08
(1.59)
2.43
(1.77)
1.78
(1.63)
4.02
(2.49)
2.78
(1.95)
2.57
(2.42)
4.35
(2.69)
3.72
(2.36)
2.81
(2.27)
Emotion Understanding 30.33
(3.63)
29.46
(4.86)
28.81
(6.94)
33.00
(2.41)
31.80
(5.20)
30.92
(5.95)
33.61
(2.87)
31.78
(7.58)
31.73
(6.69)
SSIS Social Skills 85.67
(20.10)
86.52
(21.28)
78.74
(27.17)
96.03
(21.16)
92.60
(21.57)
82.68
(30.32)
102.07
(21.31)
97.53
(21.22)
90.21
(25.15)
SSIS Problem Behaviors 11.17
(8.51)
15.05
(10.53)
19.32
(15.28)
10.50
(8.78)
12.95
(11.11)
19.65
(15.67)
8.93
(7.32)
14.10
(13.52)
17.26
(13.52)

Note. SSIS=Social Skills Improvement System.