Dataset for "Design and Evaluation of an AR-Integrated STEM-BCG Learning Kit to Foster Creative Problem Solving in Secondary Chemistry Education"

This dataset supports the study "Design and Evaluation of an AR-Integrated STEM-BCG Learning Kit to Foster Creative Problem Solving in Secondary Chemistry Education." It contains the de-identified quantitative data from a quasi-experimental, two-group pre-test/post-test study of 79 eleventh-grade students (experimental n = 40; control n = 39) learning acid-base chemistry. Contents:- Creative problem-solving skills pre-test and post-test scores (constructed-response, max 20)- Academic achievement pre-test and post-test scores (25 multiple-choice items, max 25)- Student satisfaction ratings (20 items across five dimensions, 5-point Likert; experimental group, n = 40)- System Usability Scale responses (10 items; experimental group, n = 40)- Inter-rater reliability data (ICC) for the creative problem-solving assessment Participants are identified only by anonymized codes (e.g., E001, C001); no personally identifying information is included. Variable definitions, coding schemes, scoring rubrics, and the full research instruments are provided in the accompanying documentation. The study received institutional research-ethics approval, and consent for sharing de-identified data was obtained.