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September 10, 2025Jurnal Absis Jurnal Pendidikan Matematika dan Matematika

Development of test instruments to measure mathematical problem-solving skills in quadrilaterals and triangles

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Authors

NNorzilawatiKKKartini KartiniNHNahor Murani Hutapea

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Overview

Development of a test instrument measures problem-solving in quadrilaterals and triangles, indicating high reliability and validity.

Key Points

  • The test instrument achieved an average validator score of 87.82%, highlighting strong content validity.
  • Out of 20 developed questions, 17 were found to be empirically valid and reliable with a score of 0.90.
  • The level of difficulty revealed 13 questions as medium, 2 as easy, and 1 as difficult, ensuring comprehensive assessment.
  • Nine out of 20 questions demonstrated good distinguishing power, effectively differentiating student performance.

Cite This Study

Norzilawati et al. (2024) studied this question.

synapsesocial.com/papers/68c199e89b7b07f3a061b8a1https://doi.org/10.30606/absis.v7i1.2481
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