TABLE 1.

Descriptive statistics and Pearson correlations for parent and clinician raw scores by domain.

	9 Months					12 Months
	Parent average (SD)	Clinician average (SD)	Overall Pearson correlation	EL Pearson correlation	LL Pearson correlation	Parent average (SD)	Clinician average (SD)	Overall Pearson correlation	EL Pearson correlation	LL Pearson correlation
CSBS total	51.12 (15.63)	30.17 (9.23)	0.25	–0.12	0.60	72.30 (19.93)	46.95 (13.88)	0.12	–0.37	0.47
CSBS social	28.47 (7.31)	23.72 (6.22)	0.12	–0.12	0.44	35.80 (7.02)	33.90 (8.74)	0.14	–0.08	0.23
CSBS speech	10.94 (4.29)	3.11 (3.05)	0.18	–0.08	0.24	15.60 (6.10)	5.55 (4.77)	0.44†	0.27	0.70*
CSBS symbolic	11.71 (6.94)	3.33 (2.17)	0.18	0.36	0.25	20.90 (9.64)	7.50 (3.98)	0.15	0.02	0.36
Gross motor	−1.56(14.81)	36.00 (3.84)	0.64**	0.69	0.47	28.83 (17.24)	16.11 (2.42)	0.70**	0.76*	0.81**
Fine motor	−16.67(12.49)	24.35 (2.35)	0.55*	0.17	0.64*	−2.12(14.73)	16.95 (1.51)	–0.08	–0.32	0.07

Parent report and clinician observation measures are presented in raw scores and are not directly comparable. CSBS, Communication and Symbolic Behavior Scales. ^†<0.1, *<0.05, **<0.01.