Browsing by Author "Zhumakhan S."

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    The Effects of PhET Interactive Simulation Activities on Secondary School Students’ Physics Achievement
    (SDU University, 2026) Zhumakhan S.
    PhET Interactive Simulations refer to digital learning technologies extensively used to educate students regarding science theories using a highly engaging approach. In this research, the effects of the use of PhET interactive simulation-based teaching on the academic performance of secondary school students' in physics were investigated. A quasi-experimental research design was adopted with an experimental and a control group for each of the three participating schools. Ninety-six participants from the eighth grade were sampled for this study. The instrument was found to be reliable (Cronbach’s α = 0.87). Descriptive statistics, Shapiro-Wilk, independent samples t-test, and ANCOVA were conducted to analyze data. The findings revealed that the mean score in the post-test was significantly higher for the experimental group than that of the control group (EG: M = 10.40, SD = 2.75; CG: M = 7.35, SD = 3.06). The independent samples t-test also showed that there was a significant difference between the post-test scores (t = -5.12, p < .001, Cohen's d = -1.045), indicating large effect size due to the use of PhET simulationsbased teaching approach. Similarly, ANCOVA results revealed a significant influence of the intervention (F = 23.9, p < .001). Based on the above analysis, the findings suggest that the use of PhET interactive simulation-based learning is more effective than traditional teaching method.