Skip to main content
. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: J Autism Dev Disord. 2013 Apr;43(4):761–774. doi: 10.1007/s10803-012-1605-x

Table 4.

Repeated measures analyses of covariance for negative parenting during structured and unstructured activities at age 3, 4, and 5 years, covarying mother’s education and child behavior problems.

Structured Activities
Source df SS MS F Eta
Between subjects
 Mother’s Education 1 18.24 18.24 7.25** .20
 Behavior Problems 1 8.31 8.31 3.30(*) .14
 Diagnosis Group 4 143.90 36.00 14.30*** .49
 Error 176 442.84 2.52
Within subjects
 Time 2 7.26 3.63 5.54** .17
 Time × Diagnosis 8 4.34 .54 .83 .14
 Error 354 230.74 .652
Unstructured Activity
Source df SS MS F η2
Between subjects
 Mother’s Education 1 11.43 11.43 3.31(*) .14
 Behavior Problems 1 26.48 26.48 7.67** .20
 Diagnosis Group 4 75.43 18.86 5.46*** .33
 Error 177 611.25 3.45
Within subjects
 Time 2 6.21 3.11 2.12(*) .14
 Time × Diagnosis 8 7.66 0.96 0.87 .14
 Error 354 389.30 1.10
(*)

p < .10.

*

p < .05.

**

p < .01.

***

p < .001.