An IERI – International Educational Research Institute Journal
From: Linking the first- and second-phase IEA studies on mathematics and science
First-second-time | Four-country-all-time | ||||
---|---|---|---|---|---|
PV1 | PV2 | PV3 | PV4 | PV5 | |
PV1 | 0.917 | 0.917 | 0.917 | 0.917 | 0.917 |
PV2 | 0.917 | 0.917 | 0.917 | 0.917 | 0.917 |
PV3 | 0.917 | 0.917 | 0.917 | 0.917 | 0.917 |
PV4 | 0.917 | 0.918 | 0.917 | 0.916 | 0.917 |
PV5 | 0.917 | 0.917 | 0.917 | 0.916 | 0.917 |