Table 5.
Sources of variance in the 10 WISC-V primary subtests for the EFA sample (n=823) according to a SL-orthogonalized higher-order factor model with four first-order factors.
| WISC-V subtest | g | F1 | F2 | F3 | F4 | h 2 | u 2 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| b | S 2 | b | S 2 | b | S 2 | b | S 2 | b | S 2 | |||
| SI | 0.629 | 0.396 | 0.422 | 0.178 | 0.055 | 0.003 | 0.099 | 0.010 | 0.016 | 0.000 | 0.574 | 0.426 |
| VC | 0.628 | 0.394 | 0.642 | 0.412 | −0.026 | 0.001 | −0.039 | 0.002 | −0.004 | 0.000 | 0.807 | 0.193 |
| BD | 0.559 | 0.312 | −0.002 | 0.000 | 0.472 | 0.223 | 0.020 | 0.000 | 0.035 | 0.001 | 0.535 | 0.465 |
| VP | 0.576 | 0.332 | −0.003 | 0.000 | 0.549 | 0.301 | −0.019 | 0.000 | 0.008 | 0.000 | 0.633 | 0.367 |
| MR | 0.512 | 0.262 | −0.017 | 0.000 | 0.324 | 0.105 | 0.161 | 0.026 | −0.029 | 0.001 | 0.367 | 0.633 |
| FW | 0.441 | 0.194 | 0.093 | 0.009 | 0.315 | 0.099 | 0.209 | 0.044 | −0.028 | 0.001 | 0.294 | 0.706 |
| DS | 0.516 | 0.266 | 0.012 | 0.000 | 0.021 | 0.000 | 0.497 | 0.247 | 0.007 | 0.000 | 0.513 | 0.487 |
| PS | 0.440 | 0.194 | −0.007 | 0.000 | 0.030 | 0.001 | 0.421 | 0.177 | 0.015 | 0.000 | 0.371 | 0.629 |
| CD | 0.578 | 0.334 | −0.023 | 0.001 | −0.082 | 0.007 | 0.109 | 0.011 | 0.563 | 0.317 | 0.651 | 0.349 |
| SS | 0.556 | 0.309 | 0.028 | 0.001 | 0.109 | 0.012 | −0.109 | 0.011 | 0.492 | 0.242 | 0.551 | 0.449 |
| Total S2 | 0.299 | 0.059 | 0.073 | 0.042 | 0.056 | 0.530 | 0.470 | |||||
| ECV | 0.565 | 0.111 | 0.138 | 0.080 | 0.106 | |||||||
| ω | 0.883 | 0.814 | 0.766 | 0.612 | 0.750 | |||||||
| ωH/ωHS | 0.737 | 0.340 | 0.297 | 0.293 | 0.348 | |||||||
| Relative ω | 0.835 | 0.417 | 0.387 | 0.480 | 0.464 | |||||||
| H | 0.815 | 0.479 | 0.486 | 0.352 | 0.439 | |||||||
| PUC | 0.800 | |||||||||||
SI = Similarities; VC = Vocabulary; BD = Block Design; VP = Visual Puzzles; MR = Matrix Reasoning; FW = Figure Weights; DS = Digit Span; PS = Picture Span; CD = Coding; and SS = Symbol Search. g, General Intelligence (second-order factor); F1, Verbal Comprehension (first-order factor); F2, Perceptual Reasoning (first-order factor); F3, Working Memory (first-order factor); and F4, Processing Speed (first-order factor). b, Factor Loading; S2, Explained Variance; h2, Communality; u2, Unique Variance; ECV, Explained Common Variance; ω, Omega Coefficient; ωH, Omega-Hierarchical Coefficient (general factor); ωHS, Omega-Hierarchical Coefficient (group factors); H, Replicability Index (construct reliability); and PUC, Percentage of Uncontaminated Correlations. Salient factor loadings (≥ 0.30) and variance estimates are indicated in bold numbers.