Table 3.
The first unrotated component and how much it accounts for the variance in the scores for all subjects and the component loadings.
| Cohorts | The variance explained by general factor g (first component)/the component loadings | ||
|---|---|---|---|
| All subjects | Females | Males | |
| MPC | 52.63% (N = 166) | 55.21% (N = 80) | 51.74% (N = 86) |
| Block design: 0.714 | Block design: 0.780 | Block design: 0.636 | |
| Digit span: 0.807 | Digit span: 0.796 | Digit span: 0.817 | |
| Matrix reasoning: 0.807 | Matrix reasoning: 0.844 | Matrix reasoning: 0.770 | |
| Arithmetic: 0.796 | Arithmetic: 0.845 | Arithmetic: 0.773 | |
| Symbol search: 0.551 | Symbol search: 0.449 | Symbol search: 0.659 | |
| Visual Puzzle: 0.728 | Visual Puzzle: 0.756 | Visual Puzzle: 0.706 | |
| Information: 0.672 | Information: 0.701 | Information: 0.684 | |
| Coding: 0.693 | Coding: 0.695 | Coding: 0.690 | |
| ACONF | 84.67% (N = 238) | 82.37% (N = 122) | 86.85% (N = 116) |
| Childhood | Verbal test 1: 0.938 | Verbal test 1: 0.920 | Verbal test 1: 0.954 |
| Verbal test 2: 0.936 | Verbal test 2: 0.926 | Verbal test 2: 0.945 | |
| Arithmetic test: 0.901 | Arithmetic test: 0.891 | Arithmetic test: 0.911 | |
| English test: 0.904 | English test: 0.893 | English test: 0.916 | |
| ACONF | 42.52% (N = 238) | 43.66% (N = 122) | 41.58% (N = 116) |
| Adult | Logical memory immediate recall: 0.810 | Logical memory immediate—recall: 0.791 | Logical memory immediate recall: 0.817 |
| Logical memory delayed recall: 0.800 | Logical memory delayed recall: 0.759 | Logical memory delayed recall: 0.828 | |
| Digit symbol: 0.401 | Digit symbol: 0.432 | Digit symbol: 0.348 | |
| Verbal Fluency: 0.604 | Verbal Fluency: 0.619 | Verbal Fluency: 0.581 | |
| Mill Hill Vocabulary: 0.681 | Mill Hill Vocabulary: 0.709 | Mill Hill Vocabulary: 0.676 | |
| Matrix reasoning: 0.516 | Matrix reasoning: 0.587 | Matrix reasoning: 0.477 | |
| UK Biobank | 44.01% (N = 6659) | 43.39% (N = 3505) | 44.01% (N = 3154) |
| Log Reaction Time: − 0.554 | Log Reaction Time: 0.556 | Log Reaction Time: − 0.568 | |
| Verbal-numeric Reasoning: 0.616 | Verbal-numeric Reasoning: − 0.603 | Verbal-numeric Reasoning: 0.606 | |
| Log of no of incorrect pairs matches: − 0.560 | Log of no of incorrect pairs matches: 0.572 | Log of no of incorrect pairs matches: − 0.557 | |