Dataset of Immersive Learning Experiment: Effects on Cognitive Achievement and Learning Motivation among Junior High School Students in Indonesia

This dataset was collected for a quasi-experimental research project examining the impact of immersive learning on students’ cognitive achievement and learning motivation in junior high school.The study involved two groups: an experimental class using immersive learning media and a control class employing conventional instruction. Data were collected through pretest and posttest assessments for both cognitive performance and motivation. The dataset includes: Pretest and posttest scores of students’ learning motivation (experimental and control groups), Pretest and posttest scores of cognitive achievement, Statistical output files from SPSS analysis (including descriptive statistics, normality, homogeneity, and independent t-tests), Documentation photos of classroom activities during the immersive learning intervention. All data have been anonymized to ensure confidentiality and comply with research ethics. This dataset can be used for replication studies, meta-analysis, or comparative research on immersive learning, motivation, and academic achievement in the context of developing countries