Stability of the ADI-R
26
|
Verbal ability (functional speech)5 |
N phrases or more |
7 |
20 |
|
N at least five words |
8 |
6 | |
|
N Fewer than five words______ |
20_________ |
___________9___________ |
1 For details of IQ assessments see measures section below; 2 British Picture Vocabulary Scales (Dunn et al., 1997) - median values
reported due to data being non-normally distributed; 3 Expressive One Word Picture Vocabulary Test (Gardener, 1990; Brownell, 2000)
-median values reported due to data being non-normally distributed.; 4 Vineland Adaptive Behavior Scales - Survey Form (Sparrow, Balla
& Chicchetti, 1984); 5 Data based on the current language item (Q 19) of the ADI-R.
Table 2: T1 characteristics of participants who scored above (N=28) and below (N=7) the cut off
for autism on the ADI-R at FU.