Research and Development method demonstrates high validity in assessing science literacy among grade VIII students, indicating effective evaluation approaches.
Key Points
85% of the assessment items were validated as effective, confirming their reliability in measuring science literacy.
Students in grade VIII participated, providing diverse feedback that contributed to the comprehensive evaluation of the instrument.
Mixed methods were employed, integrating qualitative and quantitative data to enhance the validation process and outcomes.
The Rasch model analysis revealed that the assessment instrument aligns with educational standards, particularly PISA, ensuring its relevance and quality.