Table 7 perception of foreign experts on the importance of interventions regarding ASD children’s social communication by age

	sub skill	20s(n=4)		30s(n=8)		40s(n=21)		50s(n=12)		F	P
		M	SD	M	SD	M	SD	M	SD
Social-emotional reciprocity	asking for permission	1.64	0.36	1.74	0.25	1.30	0.50	1.78	0.68	5.57***	0.000
	Showing	1.15	0.66	1.73	0.24	2.15	0.76	1.73	0.51	1.13	0.348
	Say hello	4.15	0.67	4.20	0.24	4.13	0.54	4.23	0.75	2.31	0.090
	Giving and receiving things	3.43	0.87	4.01	0.57	4.23	0.42	4.67	0.34	3.82	0.056
	Talk to each other	1.21	0.35	1.22	1.25	2.11	0.32	1.57	0.54	1.45	0.420
	Answer (yes/no)	1.43	0.52	3.21	0.45	4.43	0.89	4.54	0.34	20.38***	0.000
	Demanding	4.00	0.20	4.32	0.43	4.76	0.75	4.77	0.36	0.87	0.465
	a call-out reaction	4.61	0.50	3.65	0.74	4.23	0.56	4.78	0.95	3.83*	0.016
	Calling (other’s name)	1.12	0.65	1.11	0.35	2.01	0.21	1.65	0.54	1.21	0.132
	imitation behavior	4.23	0.47	4.52	0.37	4.57	0.47	4.76	0.52	0.48	0.701
non-verbal behavior	Eye contact	4.28	0.32	4.14	0.32	4.32	0.78	4.54	0.54	0.99	0,408
	Pointing out	4.11	0.76	4.23	0.76	4.02	0.62	4.32	0.74	2.87*	0.047
	a shift in one’s gaze	1.38	0.73	2.12	0.65	4.35	0.73	4.12	0.56	6.68***	0.000
	Facial expression	2.42	0.54	3.11	0.49	4.42	0.54	4.02	0.49	8.03***	0.000
Forming and Maintaining Relationships	following instructions	4.12	0.54	4.32	0.85	4.78	0.24	4.86	0.32	1.98	0.132
	Giving out	2.01	0.34	2.01	0.42	3.01	0.65	2.05	0.24	9.42	0.424
	Helping	1.22	0.32	2.00	0.63	2.22	0.45	2.11	0.34	3.00	0.141
	Sharing the game	1.43	1.90	1.23	0.78	2.13	0.20	2.23	0.78	4.23	0,063
	waiting for one’s turn	4.21	0.78	4.13	0.57	4.56	0.68	4.63	0.32	1.01	0.359