Dataset for "The Impact of Worked Examples on Students' Mathematical Problem Solving-A Systematic Literature Review"

This dataset supports the systematic literature review titled “The Impact of Worked Examples on Students’ Mathematical Problem Solving.” The dataset contains both underlying and extended data used to analyze the characteristics of the included studies. The underlying data include distributions of studies based on publication year, educational level, and geographical location. These datasets were used to generate the descriptive statistics and visualizations presented in the results section. The extended data include the PRISMA 2020 checklist, which ensures transparency and methodological rigor in the study selection and reporting process. The systematic literature review was conducted following PRISMA guidelines, involving identification, screening, eligibility assessment, and inclusion of relevant studies. This dataset can be used to support reproducibility, secondary analysis, and further research on worked examples and mathematical problem solving in mathematics education.