An IERI – International Educational Research Institute Journal
Table 10 Multilevel modelling of science achievement
TIMSS 2011 | TIMSS 2015 | TIMSS 2019 | |
|---|---|---|---|
B (SE) | B (SE) | B (SE) | |
Student-level | |||
Home resources for learning | 17.18 (1.16)* | 17.55 (0.80)* | 19.88 (0.97)* |
School-level | |||
School disadvantaged status (non-DEIS) | |||
DEIS | − 27.10 (9.59)* | − 16.41 (6.29)* | − 15.49 (5.18)* |
Intercept | 340.20 (13.02) | 340.14 (8.99) | 312.20 (11.87) |
ICC (conditional model) | 15.9% | 8.8% | 10.9% |
Variance explained (R2) | |||
Student-level | 17.8% | 20.6% | 21.9% |
School-level | 11.4% | 9.1% | 6.4% |
Overall | 16.8% | 19.6% | 20.2% |