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IRT Analysis And Validation Of The Grit Scale: A Russian Investigation

Author

Listed:
  • Yulia Tyumeneva

    (National Research University Higher School of Economics)

  • Julia Kuzmina

    (National Research University Higher School of Economics)

  • Elena Kardanova

    (National Research University Higher School of Economics)

Abstract

Previous work has already established the reliability and validity of the Grit scale, based on the classical test theory (Duckworth, Peterson, Matthews, & Kelly, 2007). This study tests the psychometric properties and the dimensionality of the scale by employing an IRT analysis of data collected from a Russian sample of 3383 15 year-old students (Study 1). The results showed that the Grit Scale is two-dimensional, but unlike the early results, both the Consistency of Interests and Perseverance of Effort subscales are quite separate measures for different traits. The construct validation (Study 2) included a retest of the obtained internal structure of the scale via CFA, and a determination of whether two subscales show reasonable patterns of correlations with external measures. Collectively, the data supports the reliability and the validity of both subscales as separate measures

Suggested Citation

  • Yulia Tyumeneva & Julia Kuzmina & Elena Kardanova, 2014. "IRT Analysis And Validation Of The Grit Scale: A Russian Investigation," HSE Working papers WP BRP 24/PSY/2014, National Research University Higher School of Economics.
    • Handle: RePEc:hig:wpaper:24psy2014
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    More about this item

    Keywords

    grit scale; dimensionality; IRT; CFA; construct validity;
    All these keywords.

    JEL classification:

    • Z - Other Special Topics

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