Table 1.
Characteristics of participant groups.
| Variable | DLD (n = 21) |
LD-ASD (n = 15) |
p
a
(d) |
|---|---|---|---|
| Age (years;months) | |||
| M | 7;1 | 6;3 | .03*
(.71) |
| SD | 0.75 | 1.48 | |
| Min–max | 5;6–8;1 | 4;4–9;8 | |
| Leiter-R b standard score | |||
| M | 90.43 | 98.07 | .24 (.40) |
| SD | 18.02 | 20.16 | |
| Min–max | 67–124 | 71–133 | |
| SPELT-3 c standard score | |||
| M | 73.71 | 75.53 | .73 (.12) |
| SD | 16.46 | 13.75 | |
| Min–max | 44–95 | 47–93 | |
| MLU | |||
| M | 4.52 | 4.06 | .27 (.36) |
| SD | 0.83 | 1.60 | |
| Min–max | 3.37–6.25 | 2.14–7.39 | |
| TACL-3 d standard score | |||
| M | 82.76 | 89.07 | .30 (.35) |
| SD | 16.69 | 19.22 | |
| Min–max | 55–121 | 55–128 | |
| Sex | |||
| Male:Female | 14:7 | 13:2 | .17 (.47) |
| Race | |||
| White:Other | 5:16 | 15:0 | < .01*
e
(2.04) |
Note. DLD = developmental language disorder; LD-ASD = language disorder associated with autism spectrum disorder; MLU = mean length of utterance in morphemes.
a
Group comparisons using t tests for age, Leiter-R, SPELT-3, and TACL-3 or chi-square analyses for sex and race.
b
Leiter-R = Leiter International Performance Scale–Revised (Roid & Miller, 1997) mean standard score = 100, SD = 15.
c
SPELT-3 = Structured Photographic Expressive Language Test–Third Edition (Dawson et al., 2003) mean standard score = 100, SD = 15.
d
TACL-3 = Test for Auditory Comprehension of Language–Third Edition (Carrow-Woolfolk, 1999b) mean standard score = 100, SD = 15.
e
Modified p value calculated by adding .5 to each cell value.
*
p < .05.