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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Mathematics Science and Computer Education
Festiyed Festiyed
Padang State University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Mathematics Physics

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Ethno-Biology Learning Model Based on Design Thinking to Improve Students' Critical Thinking Skills Linda Winiasri; Tomi Apra Santosa; Yohandri Yohandri; Abdul Razak; Festiyed Festiyed; Zulyusri Zulyusri
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.4213

Abstract

This study aims to investigate the effect of an ethnobiology learning model based on design thinking on students' critical thinking skills. The research is a type of quasi-experimental research with a randomized control group pretest-postest design. The population of this study came from SMA Negeri 12 Kerinci. The research sample came from two classes, namely class XI MIPA (experimental class) and class MIPA 3 (control class) totaling 42 students. The experimental class group used the ethnobiology learning model while the control class group used the conventional learning model. The sampling technique is random sampling. The research instrument was an objective test of critical thinking skills. Data analysis was quantitative statistical analysis with the help of SPSS version 26. The results of this study showed that the average value of posttest and N-gain critical thinking skills of classes that obtained ethnobiology learning based on design thinking was better than classes that used conventional learning. The t-test results show that the ethnobiology learning model based on design thinking has an effect on critical thinking skills sig. < 0.05 (0.00 < 0.05). Students' thinking skills in the experimental class obtained an average score of 82.30 with an N-gain value of 0.72
Ethno-Biology Learning Model Based on Design Thinking to Improve Students' Critical Thinking Skills Linda Winiasri; Tomi Apra Santosa; Yohandri Yohandri; Abdul Razak; Festiyed Festiyed; Zulyusri Zulyusri
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.4213

Abstract

This study aims to investigate the effect of an ethnobiology learning model based on design thinking on students' critical thinking skills. The research is a type of quasi-experimental research with a randomized control group pretest-postest design. The population of this study came from SMA Negeri 12 Kerinci. The research sample came from two classes, namely class XI MIPA (experimental class) and class MIPA 3 (control class) totaling 42 students. The experimental class group used the ethnobiology learning model while the control class group used the conventional learning model. The sampling technique is random sampling. The research instrument was an objective test of critical thinking skills. Data analysis was quantitative statistical analysis with the help of SPSS version 26. The results of this study showed that the average value of posttest and N-gain critical thinking skills of classes that obtained ethnobiology learning based on design thinking was better than classes that used conventional learning. The t-test results show that the ethnobiology learning model based on design thinking has an effect on critical thinking skills sig. < 0.05 (0.00 < 0.05). Students' thinking skills in the experimental class obtained an average score of 82.30 with an N-gain value of 0.72
Developing HOTS-Based Assessment Instrument for Science Learning in Junior High School: Validity, Reliability, and Item Analysis Ismadi Sihombing; Ilham Adi Putra; Masringgit Marwiyah Nst; Festiyed Festiyed; Skunda Diliarosta; Fatni Mufit
Journal of Mathematics Science and Computer Education Vol 6, No 1 (2026): MAY 2026
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jmscedu.v6i1.18792

Abstract

Despite growing policy demands for Higher Order Thinking Skills (HOTS) assessment in Indonesian science education, psychometrically validated instruments aligned with the Merdeka Curriculum remain scarce. This study aims to develop and validate a HOTS-based assessment instrument for eighth-grade junior high school (SMP) science students. Employing the Research and Development (R&D) approach with the 4-D model (Define, Design, Develop, Disseminate), the instrument was designed to comprehensively measure HOTS at cognitive levels C4 (Analyzing), C5 (Evaluating), and C6 (Creating) of the Revised Bloom’s Taxonomy, covering Basic Competency (BC) 3.8 (Respiratory System) and BC 3.9 (Photosynthesis) topics. The instrument consists of 40 two-tier multiple-choice (TTMC) items and 10 essay items. Content validity was assessed by three experts using Aiken’s V formula, yielding a mean V of 0.87 (highly valid). Reliability was estimated using the KR-20 formula in a large-group trial (n = 64), producing a coefficient of 0.82 (reliable), and Cronbach’s alpha of 0.79 for essay items. Item analysis encompassed difficulty index, discriminating power, and distractor effectiveness. Results showed that 34 of 40 TTMC items (85%) met all quality criteria simultaneously: moderate difficulty, good discriminating power, and effective distractors. The final instrument (34 TTMC + 10 essay items) is valid and reliable for measuring higher-order thinking skills among SMP students. The TTMC format provides added diagnostic value by revealing specific conceptual misconceptions in addition to measuring HOTS proficiency, aligning with the formative assessment emphasis of the Merdeka Curriculum.
Co-Authors Abdul Razak Fatni Mufit Ilham Adi Putra Ismadi Sihombing Linda Winiasri Masringgit Marwiyah Nst Skunda Diliarosta Tomi Apra Santosa Yohandri Yohandri Yohandri Zulyusri Zulyusri