Suherman, Wawan
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Effectiveness of PhET Interactive Simulation-Based Learning on Grade XI Students' Conceptual Understanding of Projectile Motion Suherman, Wawan; Kariadinata, Rahayu; Chusni, Muhammad Minan
CAHAYA: Journal of Research on Science Education Vol. 3 No. 2 (2025)
Publisher : Alpatih Harapan Semesta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70115/cahaya.v3i2.331

Abstract

This study addresses the fundamental question: How effective is PhET Interactive Simulation in enhancing high school students' conceptual understanding of projectile motion, a topic prone to misconceptions due to its two-dimensional vector analysis? Positioned within improving physics education quality through digital visualization tools, the researcher employed a quantitative pre-experimental one-group pretest-posttest design on n = 35 Grade XI students. Data collection used conceptual understanding tests analyzed via normality tests (Kolmogorov-Smirnov/ Shapiro-Wilk), paired sample t-test, and Normalized Gain (N-Gain). Results showed pretest mean = 43.76 (SD=12.15) increased to posttest mean =74.14 (SD = 11.72), a 69.42% gain with t = -13.581 (df = 34, Sig. = 0.000 < 0.05) rejecting H₀. N-Gain ⟨g⟩ = 0.54 (medium) distributed as 60% medium, 25.71% high (≥0.7), 14.29% low (<0.3). PhET’s real-time manipulation of launch angle (θ) and initial velocity (v₀) visualized independent horizontal-vertical motion, correcting 65-75% misconceptions via multimodal representations (trajectory, v-t graphs, constant vertical g-vectors). Conclusion: PhET Interactive Simulation proves effective for projectile motion conceptual understanding, bridging abstract formulas (R = v₀²sin2θ/g) with dynamic phenomena. Limitations: short 4-day intervention, no control group. Recommendations: teacher training, guided inquiry worksheets targeting N-Gain > 0.7.  
Information Literacy Related to Physical Fitness: Identification of University Students’ Ability to Access, Process, and Utilize Information in Supporting a Healthy Lifestyle Susanto, Indra Himawan; Suherman, Wawan; Mustar, Yetty Septiani; Irawaty, Irawaty
PENJAGA : Pendidikan Jasmani dan Olahraga Vol. 6 No. 2 (2026): PENJAGA : Pendidikan Jasmani dan Olahraga
Publisher : STKIP PGRI Trenggalek

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55933/pjga.v6i2.1194

Abstract

The use of physical fitness information is important in supporting students to make decisions related to healthy lifestyles and prevention of health risks. This research aims to identify the literacy of students' physical fitness information based on the ability to access, process, and utilize information. The research uses a quantitative approach with a survey design on college students. The instruments are compiled based on the Empowering Eight indicators which are grouped into three domains, namely access, processing, and utilization of information. Data were analyzed using descriptive statistics and the Mann–Whitney test to test for differences by gender. The results of the study show that the literacy of students' physical fitness information is in the medium category. Significant differences were found in the indicators of exploration, selection, organization, presentation, and application of information. Male students tend to get higher scores in the aspects of exploration, organization, communication, and application of information, while female students are more selective in choosing information. These findings show the need to strengthen physical fitness information literacy through fitness education and digital health information evaluation training to support students' healthy living behaviors.