|
Criterion
|
IS
|
RSMA
|
t-Test
|
|---|
| |
Raw
|
Res
|
Raw
|
Res
|
IS vs. RSMA
|
IS vs. IS-Adj
|
RSMA vs. RSMA-Adj
|
|---|
|
ADI-R Social
|
0.30*
|
0.12
|
0.57*
|
0.50*
|
3.75*
|
8.98*
|
3.62*
|
|
ADI-R Comm
|
0.41*
|
0.27*
|
0.49*
|
0.40*
|
0.98
|
6.09*
|
4.19*
|
|
ADI-R RRSB
|
0.63*
|
0.46*
|
0.61*
|
0.42*
|
0.46
|
10.95*
|
11.77*
|
|
ADOS Score†
|
- 0.01
|
- 0.10
|
0.29*
|
0.31*
|
3.60*
|
3.88*
|
0.87
|
|
SRS Mannerisms
|
0.29*
|
0.11
|
0.57*
|
0.51*
|
3.70*
|
8.60*
|
3.03*
|
|
First words
|
-0.02
|
- 0.06
|
0.12
|
0.14
|
1.43
|
1.51
|
0.52
|
|
First phrases
|
0.10
|
0.03
|
0.22*
|
0.21*
|
1.18
|
2.26
|
0.36
|
|
VIQ
|
0.10
|
0.23*
|
- 0.38*
|
- 0.43*
|
5.52*
|
5.48*
|
2.09
|
|
NVIQ
|
0.17
|
0.30*
|
- 0.37*
|
- 0.45*
|
6.42*
|
5.68*
|
3.31*
|
|
FSIQ
|
0.11
|
0.25*
|
- 0.41*
|
- 0.47*
|
6.26*
|
6.25*
|
2.56
|
- ADI-R Comm, verbal communication; ADOS, Autism Diagnostic Observation Schedule; FSIQ, full scale IQ; IS, insistence on sameness; IS-Adj, IS adjusted for RSMA; NVIQ, nonverbal IQ; RRSB, restricted and repetitive stereotyped behavior; RSMA, repetitive sensory-motor actions; RSMA-Adj, RSMA adjusted for IS; SRS, Social Reciprocity Scale; VIQ, verbal IQ.
- *P < 0.01.
- †For ADOS score, partial correlations with ADOS 'module' effects removed are reported.
- The t-tests are two-tailed tests of the difference between correlations with the same criterion variable [70]. Sample sizes ranged from 131 to181, depending criterion variable.
