Table 2.
Variance components and intraclass correlation (ICC).
| τ2 | σ2 | ICC | |
|---|---|---|---|
| Support | 0.042 | 0.958 | 0.042 |
| G-Efficacy | 0.052 | 0.948 | 0.052 |
| Mastery | 0.051 | 0.949 | 0.051 |
| R-Efficacy | 0.087 | 0.913 | 0.087 |
| Enjoyment | 0.077 | 0.923 | 0.077 |
| Read* | 0.471 | 0.539 | 0.466 |
τ2, between-school variance; σ2, within-school variance. Support, perceived support from parents; G-efficacy, general self-efficacy; Mastery, mastery goal orientation; R-Efficacy, reading self-efficacy; Enjoyment, reading enjoyment; Read, reading proficiency.
*
The variance components and ICC for “Read” are averaged across ten plausible values of adolescents’ reading proficiency.