An IERI – International Educational Research Institute Journal
Table 6 Average p-values for the NF and F item categories in TIMSS 2011 grade 8 mathematics
NF average p-value (%) | F average p-value (%) | Difference NF–F (%) | |
|---|---|---|---|
East Asia group | 71.0 | 65.0 | 6.0 |
Eastern Europe group | 52.9 | 49.4 | 3.5 |
Western group | 39.4 | 30.2 | 9.2 |
Norway and Sweden | 39.1 | 24.7 | 14.5 |
Norway | 39.1 | 22.5 | 16.6 |