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All Journal Union: Jurnal Ilmiah Pendidikan Matematika Jurnal Biologi Tropis Jurnal Ulul Albab JPMI (Jurnal Pendidikan Matematika Indonesia) Jurnal Pengabdian Masyarakat : Pemberdayaan, Inovasi dan Perubahan Journal of Fish Health Jurnal Riset Hukum, Ekonomi Islam, ekonomi, Manajemen dan Akuntansi Investama : Jurnal Ekonomi dan Bisnis Maddana: Jurnal Pengabdian Kepada Masyarakat International Journal of Islamic Education (IJIE)
Aini, Kuratul
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Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Public Health Social Sciences Other

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The effect of group investigation model of learning on improving mathematics learning outcomes Aini, Kuratul; Mahsup, Mahsup; Mandailina, Vera; Abdillah, Abdillah; Febriani, Putri Ayu
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 12 No 2 (2024)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v12i2.17515

Abstract

The instructional model is a crucial component in the educational process. This study evaluates the effectiveness of the Group Investigation learning model in enhancing students' mathematics outcomes. A quantitative research method with a One Group Pretest-Posttest design was used, involving 29 eighth-grade students. Data were analyzed using SPSS version 25, revealing a pretest score of 0.010 and a posttest score of 0.063 after implementing the Group Investigation model. The average posttest score was 77.91, indicating a significant impact on learning outcomes. Observations over three sessions showed an increase in student participation from 26.97% with an average score of 2.24 in Session I (categorized as "Less Active") to 42.79% with an average score of 3.56 in Session II, and 45.38% with an average score of 3.78 in Session III (both categorized as "Active"). This increase demonstrates that the Group Investigation model not only enhances student participation but also makes students more active in learning, thereby improving mathematics outcomes. Therefore, the Group Investigation model is an effective strategy for enhancing students' achievement in mathematics. Further research with more refined methods and tools is needed to confirm these findings.
Spawning Technique of Abalone (Haliotis squamata) Broodstock at Balai Perikanan Budidaya Laut (BPBL) Lombok Aini, Kuratul; Dwiyanti, Septiana
Journal of Fish Health Vol. 5 No. 2 (2025): Journal of Fish Health
Publisher : Aquaculture Department, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jfh.v5i2.6411

Abstract

Abalone is one of the species of the Gastropoda class. There are 7 types of abalone that are spread throughout Indonesian waters, including Haliotis asinina, H. varia, H. squamata, H. ovina, H. glabra, H. planate and H. crebrisculpta. Abalone Haliotis squamata is one of the abalone species that is cultivated at Balai Perikanan Budidaya Laut (BPBL) Lombok. The abalone breeding technique at BPBL Lombok is carried out massively with a ratio of male and female abalone breeders of 1:3. The success rate of abalone breeding is determined by the level of gonad maturity, water quality, irradiation period as well as the length and weight of the abalone body. Abalone breeding begins with container preparation by adding 300 chlorinated limes (kaporit). Abalone breeders are maintained by placing them in a 300 x 80 x 80 cm fiber tank containing four baskets, three baskets containing female abalones and one basket containing male abalones. The feed given to abalone breeders is Gracilaria sp. and Ulva sp., while the feed for larvae is Nitzchia sp. feed. Abalone breeding begins with breeder selection. Breeders used are those that have mature gonads or gonads that have entered TKG 3 which are marked by gonad size larger than the shell. Abalone breeders must be over 4 cm in size and free from disease and. Abalone breeding is marked by the presence of a fishy smell and cloudy water in the container. The number of eggs produced from mass breeding is 1,041,600 grains.
Co-Authors Abdillah Abdillah Afrianty, Yussy Anhar Firdaus Anshorulloh, Uday Azwilda, Nafila Ainul Chilshi, Indrya Dwiyanti, Septiana Febriani, Putri Ayu Fikri, Muhammad Abdul Fitri Amalia Hidayah, Syifa Aulia Irbah, Ariq Nurjannah Mahsup, Mahsup Mariana Mariana Marina, Rani Muhammad Arifai Nofiyanti, Maya Nunik Cokrowati Nurwijayanti Putri Novita Sari Putri, Dahnia Azaria Diva Rangga Idris Affandi Roja, Delga Rosi, Bahrur Rumawi Rumawi Sahara, Ani Sholichah, Chasilatus Suharsono Suharsono Sulviana, Hanifah Syaharuddin Syaharuddin Vera Mandailina, Vera Zubair, Tsaniatul Jinan