Table I.
Characteristics of participants by dialect and clinical diagnosis.a
| AAE |
SWE |
|||||
|---|---|---|---|---|---|---|
| SLI | TD-6 | TD-4 | SLI | TD-6 | TD-4 | |
| N | 26 | 29 | 32 | 15 | 19 | 19 |
| Age | 77.23 (5) | 73.5 (4) | 57.28 (4.55) | 76.3 (8) | 76.1 (6) | 48.3 (5) |
| Non-mainstream dialect density ratingb | 5.44 (1.21) | 4.85 (1.34) | 4.87 (1.32) | 3.93 (1.10) | 3.86 (.92) | 4.32 (.95) |
| PPVT standard scorec | 73.23 (9.42) | 102 (10.01) | 97.22 (10.42) | 73.93 (10.77) | 104.89 (11.51) | 102.21 (7.05) |
| TOLDd | 70.08 (7.49) | 100.38 (8.96) | 98.69 (10.61) | 75.47 (9) | 104.84 (13.24) | 96.43 (7.37) |
| PPVT raw scoree | 53.77 (10.14) | 57.44 (10.01) | 49.93 (9.90) | 44.68 (9.74) | ||
| MLU in morphemesf | 4.88 (.89) | 5.39 (.93) | 4.83 (.71) | 4.85 (.55) | ||
a
For each variable, means (M) are reported with standard deviations (SD) presented in parentheses.
b
Mean listener judgement rating of non-mainstream pattern use; Maximum score=7.
c
Standard score on Peabody Picture Vocabulary Test-R (Dunn & Dunn, 1981) or Peabody Picture Vocabulary Test-III (Dunn & Dunn, 1997); M=100; SD=15.
d
Syntactic quotient on the Test of Language Development-Primary: Revised (Newcomer & Hammill, 1988) or Test of Language Development-Primary: Third Edition (Hammill & Newcomer, 1997); M=100; SD=15.
e
Raw scores on Peabody Picture Vocabulary Test-R (Dunn & Dunn, 1981) or Peabody Picture Vocabulary Test-III (Dunn & Dunn, 1997);
f
MLU reported in morphemes.