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Large-scale Assessments in Education

An IERI – International Educational Research Institute Journal

Table 8 Quadratic regression coefficients of the learning strategy score on the mathematics score

From: Exploration of the linear and nonlinear relationships between learning strategies and mathematics achievement in South Korea using the nominal response model : PISA 2012

Variable

B

SE

95% CI

[Lower, Upper]

\(\beta\)

SE

95% CI

[Lower, Upper]

Intercept

559.2456***

     

\(LS\)

17.296***

1.789

[15.507, 19.085]

0.1726***

0.00043

[0.17217, 0.17303]

\({LS}^{2}\)

-5.168***

1.496

[-6.664, -3.672]

-0.0667***

0.00061

[-0.06731, -0.06609]

\({R}^{2}\)

0.03572

     
  1. Note. N = 3,310. B = coefficient, \(\beta\) = standardized coefficient, CI = confidence interval. LS is the learning strategy score. The mathematics score from PISA 2012 is an outcome variable.
  2. ***p < .001.
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