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Table 9 Mean student test-taking effort and correlation with science achievement computed on the subsample of students who did not have any not-reached items at the end of the session (cluster 2 or 4)
Country | Mean effort | Correlation between effort and science achievement | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | |||||||||
\(\widehat{\upmu }\) | SE | \(\widehat{\upmu }\) | SE | \(\widehat{\upmu }\) | SE | \(\widehat{\upmu }\) | SE | \(\widehat{\uprho }\) | SE | \(\widehat{\uprho }\) | SE | \(\widehat{\uprho }\) | SE | \(\widehat{\uprho }\) | SE | |
AUS | 0.94 | 0.00 | 0.90 | 0.00 | 0.91 | 0.00 | 0.87 | 0.00 | 0.41 | 0.02 | 0.53 | 0.01 | 0.51 | 0.01 | 0.58 | 0.01 |
CAN | 0.95 | 0.00 | 0.91 | 0.00 | 0.91 | 0.00 | 0.88 | 0.00 | 0.36 | 0.02 | 0.44 | 0.01 | 0.49 | 0.02 | 0.54 | 0.02 |
GBR | 0.94 | 0.00 | 0.89 | 0.00 | 0.89 | 0.00 | 0.85 | 0.01 | 0.39 | 0.02 | 0.50 | 0.02 | 0.51 | 0.02 | 0.56 | 0.02 |
IRL | 0.95 | 0.00 | 0.92 | 0.00 | 0.93 | 0.00 | 0.90 | 0.00 | 0.36 | 0.02 | 0.44 | 0.02 | 0.43 | 0.02 | 0.47 | 0.02 |
NZL | 0.95 | 0.00 | 0.90 | 0.00 | 0.92 | 0.00 | 0.87 | 0.01 | 0.39 | 0.03 | 0.50 | 0.02 | 0.47 | 0.02 | 0.55 | 0.02 |
USA | 0.94 | 0.00 | 0.89 | 0.00 | 0.92 | 0.00 | 0.87 | 0.01 | 0.36 | 0.02 | 0.50 | 0.02 | 0.42 | 0.02 | 0.53 | 0.02 |