. Author manuscript; available in PMC: 2013 Apr 25.

Published in final edited form as: J Autism Dev Disord. 2006 Nov;36(8):993–1005. doi: 10.1007/s10803-006-0137-7

Table 5.

Relations between joint attention, imitation, and toy play, and current language ability in 3–4-year-old children with autism

	Mullen Verbal AE	Mullen Rec Lang AE	Mullen Expr Lang AE	Vineland Comm AE
Init Protodecl JA	.25^*	.23^*	.25^*	.25^*
Resp Protodecl JA	.16	.16	.15	.23
Init Protoimp JA	–.06	–.08	–.04	.02
Toy play	.08	.03	.12	–.02
Imitation immediate	.39^***	.38^**	.37^**	.26^*
Imitation deferred	.22	.26^*	.17	.26
Total R²	.65	.62	.62	.58

Numbers are standardized betas

P < .05

^**

P < .01

^***

P < .001