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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA)
Safrida Safrida
Biology Education, Faculty of Teacher Training, Syiah Kuala University, Banda Aceh
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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Application of Contextual Teaching and Learning (CTL) Learning Strategies on Metacognitive Ability and Leaarning Outcomes in Immune System Materials Maulinda Yani; Safrida Safrida; Muhibuddin Muhibuddin
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.765

Abstract

This study aims to determine the differences in metacognitive abilities and student learning outcomes after applying Contextual Teaching and Learning (CTL) learning strategies in the experimental class and the control class on the material of the immune system. The research method used is an experimental method with a pretest-posttest control group research design. The research subjects were 125 students at SMAN 2 Lhokseumawe. The parameters measured were metacognitive ability using a questionnaire and learning outcomes using the multiple-choice type test objective. Data was collected through pretest and posttest on metacognitive abilities, and learning outcomes were analyzed by parametric statistical tests using independent sample t-test. The metacognitive t-test on the score strongly agrees with the students in the experimental class and the control class, namely tcount (6.14) > ttable (1.65) significantly different. Metacognitive t-test on scores quite agrees with students in the experimental class and control class, namely tcount (0.61) < ttable (1.65) not significantly different. The metacognitive t-test on the score slightly agrees with the students in the experimental class and the control class, namely tcount (10.07) > ttable (1.65) significantly different. The metacognitive t-test on the students' disagreeing scores in the experimental class and control class, namely tcount (14.40) > ttable (1.65), was significantly different. The results showed differences in the application of CTL learning strategies to metacognitive abilities and learning outcomes between the experimental and control classes. It can be concluded that there are differences in metacognitive abilities and learning outcomes between the experimental class and the control class after the application of the CTL learning strategy to students at SMAN 2 Lhokseumawe on the subject of the immune system
Effect of Feed Combination of Avocado (Persea americana M.) and Pumpkin Seed (Cucurbita moschata Duch.) on Villi Height and Goblet Cell Number of Goblet Fish (Osphronemus gourami Lac.) Halimatussakdiah Halimatussakdiah; Safrida Safrida; Muhibbuddin Muhibbuddin
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.802

Abstract

In Indonesia, there are several types of freshwater fish that the community has cultivated. Besides having high nutritional value, Freshwater fish also have high economic value for trading, such as gourami. One of the obstacles in the cultivation of freshwater fish is the price of feed. This research is oriented towards alternative feeds to reduce production costs by utilizing avocado seeds and pumpkin seeds. This study aimed to determine the effect of feeding a combination of avocado seeds and pumpkin seeds on the histopathology of gourami. This study used a non-factorial completely randomized design (CRD) method with four treatments and six replications P0, P1, P2, and P3. P0 (Control feed/pellet), P1 (Feed 40 grams of avocado seeds + 40 grams of pumpkin seeds + 20 grams of mixed ingredients), P2 (Feed of 20 grams of avocado seeds + 60 grams of pumpkin seeds + 20 grams of mixed ingredients) and P3 ( Feed 60 grams of avocado seeds + 20 grams of pumpkin seeds + 20 grams of mixed ingredients). Data were analyzed using ANOVA and Advanced Test with a significant level of 5%. The results showed that the P2 treatment could increase the villi height and the number of Goblet cells in the intestines of gourami fish. It can be concluded that the combination of avocado seeds and pumpkin seeds has a significant effect on the histopathological picture of the digestive organs of gourami
Co-Authors Halimatussakdiah Halimatussakdiah Maulinda Yani Muhibbuddin Muhibbuddin Muhibuddin Muhibuddin