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Table 12 Beta regression of student test-taking effort on expectancy-value proxies in GBR and IRL

From: Student test-taking effort in low-stakes assessments: evidence from the English version of the PISA 2015 science test

  GBR IRL
Cluster 1 Cluster 2 Cluster 3 Cluster 4 Cluster 1 Cluster 2 Cluster 3 Cluster 4
Effect \(\widehat{b}\) SE \(\widehat{b}\) SE \(\widehat{b}\) SE \(\widehat{b}\) SE \(\widehat{b}\) SE \(\widehat{b}\) SE \(\widehat{b}\) SE \(\widehat{b}\) SE
Intercept 2.59 0.06 1.84 0.05 1.88 0.06 1.46 0.05 2.76 0.08 2.09 0.05 2.45 0.07 2.06 0.09
Expectancy
 Scieeff − 0.03 0.02 − 0.01 0.02 − 0.04 0.02 − 0.04 0.02 0.04 0.02 0.04 0.02 0.04 0.03 0.04 0.03
 Envaware 0.02 0.02 0.05 0.02 0.04 0.02 0.04 0.02 0.05 0.02 0.06 0.02 0.03 0.02 0.01 0.03
Value
 Anxtest 0.02 0.02 0.00 0.02 0.00 0.02 0.01 0.03 0.01 0.02 0.02 0.02 0.01 0.02 − 0.01 0.02
 Intbrsci 0.11 0.02 0.13 0.03 0.19 0.04 0.17 0.03 0.11 0.03 0.07 0.03 0.14 0.04 0.14 0.03
 Joyscie 0.10 0.02 0.10 0.03 0.08 0.03 0.12 0.03 0.05 0.02 0.06 0.02 0.04 0.02 0.03 0.03
 Scieact − 0.07 0.02 − 0.08 0.03 − 0.10 0.03 − 0.10 0.03 − 0.04 0.02 − 0.03 0.02 − 0.04 0.02 − 0.02 0.02
Precision 3.98 0.16 2.20 0.07 2.04 0.08 1.59 0.05 13.42 0.84 7.94 0.23 13.53 0.69 9.67 0.53
Pseudo R2 0.03 0.01 0.03 0.01 0.06 0.01 0.07 0.01 0.05 0.01 0.05 0.01 0.07 0.01 0.06 0.01