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An IERI – International Educational Research Institute Journal

Table 6 Correlation between SIMS plausible values

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

  1. All correlations are significant, df = 77,675, p < 0.001