Table 2.
Rotated component matrix for factor analysis of selected DKEFS subscales.a
| DKEFS Subscales | Factor 1 | Factor 2 | Factor 3 | Factor 4 |
|---|---|---|---|---|
| Memory | Psychomotor speed | Executive functions | Verbal fluency | |
| Color-Word Interference Test | ||||
| Color Naming | .005 | .032 | .079 | .418 |
| Word Reading | −.133 | .205 | −.147 | .459 |
| Inhibition | .341 | .475 | .167 | .425 |
| Inhibition/Switching | −.036 | −.092 | .023 | .573 |
| Trail Making Test | ||||
| Visual Scanning | −.015 | .725 | .091 | .069 |
| Number Sequencing | .127 | .837 | .106 | −.071 |
| Letter Sequencing | .181 | .828 | .126 | .054 |
| Number-Letter Switching | .149 | .512 | .278 | .429 |
| Motor Speed | −.048 | .701 | .071 | .098 |
| Verbal Fluency Test | ||||
| Switching Accuracy | .109 | .117 | .878 | .051 |
| Letter Fluency | .125 | .184 | .425 | .610 |
| Category Fluency | .208 | .248 | .663 | .292 |
| Total Switching | .11 | .107 | .895 | .081 |
| California Verbal Learning Test-II | ||||
| Trials 1–5 | .84 | .19 | .317 | −.096 |
| d1 | .795 | .085 | .141 | −.052 |
| Semantic Clustering | .512 | −.105 | −.219 | −.037 |
| Long Delay Free Recall | .873 | .031 | .094 | .062 |
| Short Delay Free Recall | .837 | .005 | .124 | .146 |
| Trial 1 | .481 | .153 | .434 | −.262 |
| Trial 5 | .773 | .237 | .195 | .017 |
| Eigenvalve | 5.973 | 2.852 | 1.744 | 1.274 |
| % Variance | 2.9865 | 14.258 | 8.719 | 6.369 |
a
The strongest factor leading for each subscale is in bold.