An IEA-ETS Research Institute Journal
Table 5 Overall effect size of gender differences in “Confidence in Mathematics” for fourth and eighth graders
K | ES | SE | τ2 | Test of Null | 95% CI | Test of homogeneity | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Z | P | Lower | Upper | Q | df(Q) | P | |||||
4th grade | |||||||||||
Fixed | 48 | − 0.0136 | 0.004 | − 33.5 | 0.000 | − 0.14 | − 0.12 | 2514.04 | 47 | 0.000 | |
Random | 48 | − 0.0133 | 0.028 | 0.03 | − 4.7 | 0.000 | − 0.19 | − 0.08 | |||
K | ES | SE | V | Z | P | Lower | Upper | Q | df(Q) | P | |
|---|---|---|---|---|---|---|---|---|---|---|---|
8th grade | |||||||||||
Fixed | 40 | − 0.143 | 0.004 | − 36.0 | 0.000 | − 0.15 | − 0.13 | 1076.27 | 39 | 0.000 | |
Random | 40 | − 0.141 | 0.020 | 0.01 | − 7.42 | 0.000 | − 0.19 | − 0.11 | |||