Table 2.
Sex differences in means and correlation for subsamples from the cross-sectional sample
| Boys | Girls | Correlations | ||||||
|---|---|---|---|---|---|---|---|---|
|
Subsample 1 (n = 545, 249 boys) | ||||||||
| Measure | M (SD) | M (SD) | d | 1 | 2 | 3 | 4 | 5 |
| 1. Mathematical competence | 102.22 (14.15) | 99.91 (13.97) | .16 | 1.00 | .06 | .27b | −.24b | −.36b |
| 2. English attitudes | 4.74 (1.18) | 5.12 (1.16) | −.32a | −.12 | 1.00 | .05 | .07 | .06 |
| 3. Mathematics attitudes | 4.97 (1.03) | 4.67 (1.08) | .28a | .30b | .07 | 1.00 | −.29b | −.25b |
| 4. Math anxiety evaluation | 2.79 (0.91) | 3.13 (1.06) | −.34a | −.10 | .08 | -23b | 1.00 | .66b |
| 5. Math anxiety learning | 1.91 (0.79) | 2.02 (0.83) | −.14 | −.23b | .04 | −.14 | .53b | 1.00 |
|
Subsample 2 (n = 546, 296 boys) | ||||||||
| 1. Mathematical competence | 100.08 (16.00) | 98.18 (14.66) | .12 | 1.00 | .16 | .29b | −.14 | −.26b |
| 2. English attitudes | 4.73 (1.13) | 5.25 (1.12) | −.45a | .09 | 1.00 | .06 | .07 | −.01 |
| 3. Mathematics attitudes | 4.88 (1.11) | 4.66 (1.11) | .20 | .24b | .13 | 1.00 | −.28b | −.27b |
| 4. Math anxiety evaluation | 2.81 (0.96) | 3.10 (0.94) | −.30a | −.02 | .15 | −.08 | 1.00 | .52b |
| 5. Math anxiety learning | 1.93 (0.84) | 2.04 (0.78) | −.14 | −.23b | .11 | −.16 | .57b | 1.00 |
Note: d = (Mboys – Mgirls)/pooled SD.
a
= significant mean difference with Bonferroni corrected p value (.007). Correlations for boys are below the diagonal and above the diagonal for girls.
b
= significant with Bonferroni corrected p value (.0024).