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An IERI – International Educational Research Institute Journal

Table 2 Analysis for research question 2

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

Purpose

Model or Statistics

Linear relationship

Correlation (Learning strategy score, Math)

Baseline of the linear relationship

Correlation (Memorization strategy, Math)

Correlation (Elaboration strategy, Math)

Correlation (Metacognitive strategy, Math)

Nonlinear relationship

Quadratic regression (Math ~ Learning strategy score + (Learning strategy score\({)}^{2}\) )

  1. Note. Learning strategy score is created by NRM. Math stands for mathematics achievement score.