Table 4.
Mean Differences for Subjects with Withdrawn Symptoms in the Borderline/Clinical Referral Range as Compared to Subjects Showing No Borderline/Clinical Withdrawn Symptoms on Cognitive and Academic Measure
| Dependent Cognitive and Academic Measures1 | Withdrawn N = 46 | Non-Withdrawn N = 289 | P-Value | ||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||
| WASI FSIQ | 102.8 | 13.4 | 107.7 | 12.6 | 0.01* |
| WASI Verbal IQ | 103.7 | 16.7 | 109.7 | 18.9 | 0.04* |
| WASI Performance IQ | 101.9 | 17.9 | 105.6 | 17.4 | 0.18 |
| WASI Vocabulary | 51.3 | 9.05 | 55.0 | 8.23 | 0.01** |
| WASI Similarities | 52.3 | 9.62 | 55.8 | 8.71 | 0.01** |
| WASI Block Design | 51.1 | 9.24 | 52.6 | 9.58 | 0.33 |
| WASI Matrix Reasoning | 50.8 | 11.4 | 53.2 | 9.70 | 0.12 |
| WISC-III Coding | 10.5 | 2.84 | 11.1 | 2.87 | 0.14 |
| WISC-III Symbol Search | 11.5 | 3.03 | 12.6 | 3.10 | 0.02* |
| WISC-III Digit Span | 9.41 | 2.85 | 10.2 | 2.90 | 0.11 |
| Animal Fluency | 0.59 | 1.01 | 0.91 | 1.40 | 0.95 |
| Trail Making Part A | 0.26 | 0.83 | 0.50 | 1.00 | 0.12 |
| Trail Making Part B | 0.32 | 1.16 | 0.44 | 0.87 | 0.43 |
| Purdue Pegboard Dominant | −1.10 | 1.40 | −0.63 | 1.03 | 0.01** |
| Purdue Pegboard Non-dominant | −0.73 | 1.30 | −0.58 | 1.07 | 0.40 |
| Purdue Pegboard Both | −0.67 | 1.03 | −0.59 | 1.06 | 0.65 |
| CAVLT-2 Level of Learning | 101.6 | 16.1 | 106.0 | 14.1 | 0.06 |
| CAVLT-2 Interference | 94.6 | 16.1 | 100.4 | 16.3 | 0.02* |
| CAVLT-2 Immediate Recall | 101.7 | 15.1 | 105.1 | 16.2 | 0.18 |
| CAVLT-2 Delayed Recall | 99.4 | 15.4 | 104.2 | 15.3 | 0.05* |
| WJ-R Letter-Word Identification | 105.1 | 14.4 | 108.2 | 15.4 | 0.20 |
| WJ-R Applied Problems | 105.2 | 15.4 | 111.7 | 14.3 | 0.00* |
| WJ-R Dictation | 96.4 | 11.1 | 97.8 | 11.9 | 0.43 |
P-value*= < 0.05,** = < 0.01.
1
Description of scoring for each cognitive and academic measure is given in the legend for Table 2 and in the text of the Methods.