The Moderating Effect of a Fixed Mindset in Dimensional Comparison Effects

초록

The dimensional comparison effect is a phenomenon in which achievement in one domain negatively affects self-concept in another as a consequence of comparing one's achievements across multiple domains. The present study examined whether the dimensional comparison effects on self-concept and intrinsic value would differ according to middle school students' fixed mindset in the domains of math and first language. Data from a sample of 6,817 Korean middle school students obtained from a nationwide database was analyzed. The results revealed that Korean achievement negatively predicted math self-concept and intrinsic value (contrast effect), whereas math achievement positively predicted Korean self-concept and intrinsic value (assimilation effect). The contrast effect revealed the moderating role of a fixed mindset in dimensional comparisons. Specifically, Korean achievement predicted math self-concept more negatively, especially among students with a stronger fixed mindset. This study discusses the need to consider cultural aspects in dimensional comparisons and the potential limitations of adopting a fixed mindset, which can strengthen the dimensional comparison effect in learning situations.

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