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July 31, 2025JURNAL PENDIDIKAN DASAR NUSANTARAOpen Access

Validation of Dyscalculia Risk Detection Instrument in Grade 3 Elementary School Students Using the Rasch Model: Psychometric Analysis and Implications of Inclusive Education

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Authors

IKIndra Praja KusumahMWM. Kusuma WardhaniDBDince Bunda

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Overview

Psychometric analysis reveals mixed item performance in a screening instrument for dyscalculia risk in grade 3 students, suggesting improvements for inclusive education.

Key Points

  • The analysis shows that while measurement reliability is high at the item level, participant reliability is moderate at 0.5984.
  • A total of 147 grade 3 students participated, with instruments assessed through the Rasch model's item response theory approach.
  • Despite showing a wide range of difficulty levels, some items did not fit the Rasch model effectively, indicating areas for improvement.
  • The high correlation coefficient of 0.9861 supports the instrument's construct validity, highlighting its potential in inclusive education.

Cite This Study

Kusumah et al. (2025) studied this question.

synapsesocial.com/papers/68af269bcf1dd9ea359e27c5https://doi.org/10.29407/jpdn.v11i1.26446
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Development of an Identification Instrument for Dyscalculia in Early Childhood (Ages 4-6): A Dichotomous Model Three Parameters Logistic Approach in Item Response Theory2025
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  4. 4Construct Validation of Science Literacy Instrument with Rasch Modeling on Students of Grade VIII Junior High School2025
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