Table 2a.
Distributional Characteristics of the NIH Toolbox® Individual Tests and Composite Scores (N = 2259) for Uncorrected Scores.
| TPVT | TORRT | TPCPST | TLSWMT | TPSMT | TFT | TDCCS | Crystalized | Fluid | Total | |
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | 85.5 | 91.2 | 90.1 | 97.8 | 103.8 | 94.8 | 93.9 | 87.1 | 93.3 | 87.7 |
| Median | 85 | 91 | 90 | 97 | 103 | 96 | 94 | 87 | 94 | 88 |
| Mode | 83 | 91 | 90 | 105 | 97 | 97 | 94 | 85 | 92 | 91 |
| Std. Deviation | 7.97 | 6.68 | 14.3 | 11.4 | 12.0 | 8.80 | 9.09 | 6.79 | 10.24 | 8.74 |
| Minimum | 36 | 59 | 43 | 47 | 76 | 53 | 50 | 55 | 49 | 51 |
| Maximum | 119 | 118 | 132 | 136 | 136 | 116 | 120 | 110 | 123 | 115 |
| Skewness | 0.185 | −0.073 | −0.181 | −0.435 | 0.24 | −0.898 | −0.719 | 0.056 | −0.244 | −0.226 |
| Kurtosis | 1.05 | 1.75 | −0.08 | 0.69 | −0.39 | 1.38 | 2.18 | 0.62 | 0.28 | 0.41 |
| 10th% | 76 | 83 | 71 | 82 | 88 | 83 | 83 | 79 | 80 | 77 |
| 25th% | 80 | 88 | 80 | 90 | 95 | 90 | 89 | 83 | 87 | 82 |
| 75th% | 90 | 95 | 101 | 105 | 112 | 101 | 100 | 91 | 100 | 94 |
| 90th% | 96 | 100 | 107 | 113 | 120 | 105 | 104 | 96 | 106 | 99 |
TPVT: Toolbox Picture Vocabulary Test; TORRT: Toolbox Oral Reading Recognition Test; TPCPST: Toolbox Pattern Comparison Processing Speed Test; TLSWMT: Toolbox List Sorting Working Memory Test; TPSMT: Toolbox Picture Sequence Memory Test; TFT: Toolbox Flanker Test; TDCCS: Toolbox Dimensional Change Card Sort Test.