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Pengembangan Media Pembelajaran Berbasis Augmented Reality (AR) Berbantuan Aplikasi Assemblr Edu Pada Materi Bentuk Molekul Pratama, Fathoni Arif; Jeckson Siahaan; Nora Listantia
Chemistry Education Practice Vol. 8 No. 2 (2025): Edisi November
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i2.10144

Abstract

This study aims to determine the level of validity of the content and suitability of augmented reality (AR)-based learning media developed using the Assemblr Edu application for molecular structure material. This study employs the Design-Based Research (DBR) method with the ADDIE (Analysis, Design, Development, Implementation, Evaluation) model, modified up to the development stage. Data collection techniques include interviews, validity questionnaires, and media feasibility questionnaires. Data validity analysis uses Aiken’s V formula, while media feasibility is measured using a percentage formula. The learning media product was tested on 28 eleventh-grade students at SMAN 1 Wanasaba. The validity test results showed that the media was highly valid with an Aiken’s V value of 0.92. The feasibility test results showed that the media was highly feasible with a percentage of 86.86%. This media is deemed valid and suitable for use as an innovative learning alternative to enhance students' understanding of molecular structure concepts. This study demonstrates that integrating AR technology into learning can serve as a strategic tool for optimizing the visualization of abstract concepts in a contextual, engaging, and relevant manner aligned with 21st-century needs.
The Pengaruh Model Pembelajaran POE (Predict, Observe, Explain) Terhadap Hasil Belajar Kimia Materi Asam Basa Pada Siswa Kelas XI SMAN 1 Langgudu Lia, Nurkamaliah; Siahaan, Jeckson; Haris, Mukhtar
Chemistry Education Practice Vol. 8 No. 2 (2025): Edisi November
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i2.10146

Abstract

This study aims to determine the effect of POE (Predict, Observe, Explain) learning model on chemical learning outcomes of acid-base material in class XI IPA SMAN 1 Langgudu. This type of research is a quasi experimental design. The population is all students of class XI IPA SMAN 1 Langgudu which amounted to 50 people. The sampling technique used saturated sampling. Determination of control and experimental classes is based on the average value of the midterm assessment, students of class XI IPA 1 obtained a greater average value of 78.76 than class XI IPA 2 which is 70.16 so that class XI IPA 1 is designated as the control class and XI IPA 2 as the experimental class. Data collection techniques using test instruments. The average value of the experimental class pretests (49.12) was lower than the control class (52.28). While the average value of the experimental class posttest (84.4) is higher than the control class (76.92). The N-Gain test results show that the increase in learning outcomes of experimental class students is more in the high category than the control class. The t-test results obtained tcount of 2.4091> ttable 2.0106 then H0 is rejected and Ha is accepted. While the results of the percentage of student activeness of the experimental class at each meeting were higher than the control class, so that experimental class students were more active than the control class. The results of this study can be concluded that the POE learning model (Predict, Observe, Explain, and Explain) is an effective learning model.
Pengaruh Model Pembelajaran Kooperatif Talking Stick Terhadap Hasil Belajar Kimia Siswa Kelas XI Pada Materi Koloid Widiawati, Widiawati; Siahaan, Jeckson; Hadisaputra, Saprizal
Chemistry Education Practice Vol. 8 No. 2 (2025): Edisi November
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i2.10839

Abstract

This study aims to examine the effect of the cooperative learning model Talking Stick on students’ learning outcomes in the colloid topic among Grade XI students at MA NWDI Wakan. A quasi-experimental method with a pretest–posttest control group design was employed. The sample consisted of 40 students from classes XI MIPA 1 and XI MIPA 2. Data were analyzed using N-Gain analysis, normality testing, homogeneity testing (F-test), and hypothesis testing with an independent t-test. The hypothesis testing at a significance level of α = 0.05 yielded a t-value of 3.972, which exceeded the t-table value of 2.024, indicating a significant difference between the experimental and control groups. These findings demonstrate that the implementation of the Talking Stick cooperative learning model has a positive effect on students’ learning outcomes in the colloid topic.