. Author manuscript; available in PMC: 2011 Jun 17.

Published in final edited form as: J Early Interv. 2010 Sep;32(4):286–301. doi: 10.1177/1053815110382973

Table 1.

Between-Group Comparisons of Child and Teacher Characteristics

Characteristics	Nonintervention	Intervention	t (df)	p
Characteristics	M (SD)	M (SD)	t (df)	p
Children
Age	5.98 (1.5)	6.18 (1.9)	−0.34 (33)	.74
Childhood Autism Rating Scale	41.43 (8.2)	36.38 (9.9)	1.55 (30)	.13
Differential Abilities Scale^a,^b	39.47 (18.4)	53.78 (27.1)	−1.81 (33)	.08
Oral and Written Language Scales^a,^b	41.13 (19.0)	51.56 (17.2)	−1.68 (32)	.10
Vineland Adaptive Behavior Scales (Teacher Report)^a,^b	62.29 (9.2)	64.88 (16.7)	−0.56 (32)	.58
Behavior Assessment System for Children–2 (Teacher)^a,^c	59.53 (8.5)	59.83 (7.0)	−0.11 (31)	.91
Teachers
Number of children taught^d	8.85 (11.5)	4.56 (6.1)	1.29 (27)	.21
Total years working with children with autism^e	8.27 (8.3)	5.34 (5.5)	1.16 (29)	.25

Standard score.

Based on externalizing composite.

t score.

Refers to total number throughout teaching career.

Refers to total number of students with autism taught.