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All Journal Jurnal Penelitian dan Pengembangan Pendidikan Journal of Biology Science and Education
Hasan, Isharyadi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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PBLRQA Strategy on Metacognitive Skills and Higher-order Thinking of Students in the Genetics Course Hasan, Isharyadi; Budiarsa, I Made; Astija; Bialangi, Mursito S; Jamhari, Mohammad
Jurnal Penelitian dan Pengembangan Pendidikan Vol. 8 No. 1 (2024): April
Publisher : LPPM Undiksha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jppp.v8i1.61962

Abstract

Low metacognitive abilities and high-level thinking cause students to have difficulty understanding genetics course material. This research aims to analyze the effectiveness of PBLRQA, PBL, and RQA strategies on students' metacognitive and higher-order thinking skills. This research uses a non-equivalent control group pretest-posttest design. Sampling was carried out on 118 students consisting of four classes using saturated sampling techniques. The research instruments used were observation sheets on lecturer and student activities, essay-based metacognitive skills tests, and multiple-choice tests on high-level thinking skills. Lecturer and student activity data were analyzed based on the percentage of indicators categorized as high and very high syntactically. Data on metacognitive skills and higher-order thinking were analyzed using the Normalized Gain and Independent Kruskal Wallis tests. Research findings show that implementing PBLRQA, PBL, and RQA strategies is ineffective in improving students' metacognitive and higher-order thinking skills. To follow up on these findings, further research is needed to explore the involvement of learning styles and social support on students' metacognitive skills and higher-order thinking skills, focusing on implementing PBLRQA and RQA strategies.
Kandungan Timbal (PB) yang Terabsorpsi pada Buah Apel (Malus punila) yang Dijual di Pinggir Jalan Kota Palu Hasan, Isharyadi; Astija
Journal of Biology Science and Education Vol. 7 No. 1 (2019): Juni
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/jbse.v7i1.1119

Abstract

Timbal (Pb) merupakan emisi gas berbahaya yang dapat mencemari buah apel (Malus pumila) yang dijual di pinggir-pinggir jalan Kota Palu. Oleh sebab itu, kelayakan buah Malus pumila untuk dikonsumsi perlu diteliti dan hasilnya akan dipublikasikan dalam bentuk media pembelajaran berupa poster. Penelitian ini dilakukan melalui pemeriksaan kandungan Pb pada buah Malus pumila dengan menggunakan SSA. Buah Malus pumila yang dijual oleh pedagang buah di Jl. Sisingamaradja dari hari ke-1, ke-3, dan ke-7, memiliki kandungan Pb pada kulit buah secara berturut-turut sebesar 0,211 mg/L, 0,662 mg/L dan 0,192 mg/L, sedangkan pada dagingnya sebesar 0,141 mg/L, 0,213 mg/L, dan 0,201 mg/L. Hasil tersebut menunjukkan bahwa terdapat hubungan yang tidak signifikan antara waktu pemasaran dengan kandungan Pb pada buah Malus pumila. Selain itu, kandungan Pb pada kulit dan daging buahnya berbeda tidak signifikan. Ditambah lagi, kandungannya tersebut lebih rendah dari keputusan yang ditetapkan oleh BPOM RI (0,2 mg/kg). Dengan demikian, dapat disimpulkan bahwa buah Malus pumila yang di jual di Jl. Sisingamaradja layak dikonsumsi.
Co-Authors Astija I Made Budiarsa Mohammad Jamhari Mursito S. Bialangi