Development of cognitive diagnostic assessment instruments and a cognitive differentiation student worksheet to measure and improve scientific literacy capability

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Research and Development approach enhanced scientific literacy in students, indicating effectiveness of assessment tools.

The developed cognitive diagnostic assessment instruments showed high validity with an average score of 92%.
Educators and students rated the practicality of the worksheets at 84% and 87%, respectively, indicating ease of use.
Statistical analysis using a t-test demonstrated a significant difference in post-test scores, with p = 0.001.
The R&D approach based on the Plomp model effectively enhanced scientific literacy capabilities among the students.

Supriono et al. (2025) studied this question.

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