Table 3.

Test-retest reliability measures for the TCT (n = 51)

Scale		Baseline test (n = 51) mean (SD)	2-week retest (n = 51) mean (SD)	p value
1	Eye contact	2.71 (1.2)	2.71 (1.0)	1.00
2	Smiling	2.33 (1.2)	2.73 (1.0)	0.07
3	Singing	2.31 (1.3)	2.35 (1.4)	0.88
4	Using gesture	2.10 (1.3)	2.24 (1.2)	0.57
5	Holding gaze	2.27 (1.1)	2.49 (1.1)	0.32
6	Following with gaze	2.24 (1.2)	2.39 (1.2)	0.53
7	Vocalizing	2.02 (1.3)	2.16 (1.3)	0.59
8	Speaking	2.41 (1.2)	2.49 (1.4)	0.76
9	Appropriate touch	2.22 (1.2)	2.49 (1.2)	0.26
10	Exercises	2.06 (1.3)	2.35 (1.3)	0.26
11	Rhythmic movements	2.04 (1.3)	2.02 (1.3)	0.94
12	Contribution	2.04 (1.4)	1.94 (1.6)	0.74
13	Using instruments	2.08 (1.3)	2.08 (1.5)	1.00
14	Interactive posture	2.10 (1.3)	2.29 (1.3)	0.46
Total score		30.8 (14.6)	32.6 (15.5)	0.55