Table 4 Composite scores of subtests for each factor by age group.
Age-group | Composite scores on each factor Mean (SD) | ANOVA (Multiple comparison: Tukey’s HSD) | Difference in Correlations | ||||
|---|---|---|---|---|---|---|---|
Reading | Semantic | Writing | Reading | Semantic | Writing | SC and WA | |
Level 2 in 2006 | F = 985.8*** | F = 693.6*** | F = 430.7*** | ||||
High school age (n = 10,969) | 24.59 (3.60) | 36.30 (9.43) | 68.61 (20.52) | H. vs. U.*** | *** | *** | z = 4.1*** |
University age (n = 10,745) | 25.24 (3.42) | 37.71 (10.04) | 72.48 (20.60) | H. vs. E.*** | *** | *** | z = 10.6*** |
Early adult (n = 6,882) | 26.52 (3.16) | 41.43 (10.64) | 78.48 (21.17) | H. vs. M.*** | *** | *** | z = 8.2*** |
Middle adult (n = 4,262) | 27.43 (2.47) | 43.52 (10.07) | 79.32 (20.64) | U. vs. E.*** | *** | *** | z = 7.0 *** |
U. vs. M.*** | *** | *** | z = 5.1 *** | ||||
E. vs. M.*** | *** | z = 0.8 | |||||
Level 2 in 2016 | F = 178.7*** | F = 262.2*** | F = 157.3*** | ||||
High school age (n = 6,556) | 24.43 (3.91) | 35.32 (9.44) | 67.88 (20.02) | H. vs. U. *** | *** | *** | z = 2.5 * |
University age (n = 4,421) | 25.03 (3.72) | 37.93 (9.65) | 71.92 (20.33) | H. vs. E.*** | *** | *** | z = 3.6*** |
Early adult (n = 2,290) | 25.48 (3.73) | 39.57 (10.15) | 74.42 (21.62) | H. vs. M.*** | *** | *** | z = 3.1*** |
Middle adult (n = 2,703) | 26.33 (3.11) | 41.12 (9.88) | 76.83 (21.18) | U. vs. E.*** | *** | *** | z = 1.6 |
U. vs. M.*** | *** | *** | z = 0.9 | ||||
E. vs. M.*** | *** | *** | z = 0.6 | ||||