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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Bioedukatika Biosel: Biologi Science and Education Indonesian Journal of Science and Education

Suhaedir Bachtiar

Public Junior High School 2 Batang

Author-ID : 389056

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Energy Environmental Science Materials Science & Nanotechnology Physics

Published : 10 Documents Claim Missing Document

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Articles

Hubungan antara Sikap, Kemandirian Belajar, dan Gaya Belajar dengan Hasil Belajar Kognitif Siswa Rijal, Syamsu; Bachtiar, Suhaedir
JURNAL BIOEDUKATIKA Vol 3, No 2 (2015)
Publisher : Universitas Ahmad Dahlan

Penelitian ini bertujuan untuk menyelidiki hubungan antara variabel sikap, kemandirian belajar danÂ gaya belajar dengan hasil belajar kognitif biologi. Penelitian ini merupakan penelitian ex post facto.Â Instrumen penelitian berupa angket yang digunakan untuk memperoleh data sikap, kemandirianÂ belajar, dan gaya belajar siswa. Dokumentasi, digunakan untuk memperoleh nilai hasil belajarÂ kognitif biologi. Pengumpulan data sikap, kemandirian, dan gaya belajar siswa dilakukan melaluiÂ pemberian angket (kuesioner) kepada siswa. Data hasil belajar kognitif siswa diperoleh dari nilaiÂ ulangan semester. Data dianalisis dengan menggunakan analisis statistik inferensial dengan ujiÂ korelasi product moment, regresi sederhana dan berganda. Hasil penelitian menunjukkan bahwaÂ terdapat hubungan yang positif antara: (i) sikap siswa dengan hasil belajar kognitif Biologi, denganÂ nilai korelasi sebesar 0,621, (ii) kemandirian belajar siswa dengan hasil belajar kognitif Biologi,Â dengan nilai korelasi sebesar 0,579, (iii) gaya belajar siswa dengan hasil belajar kognitif Biologi,Â dengan nilai korelasi sebesar 0,577, (iv) sikap, kemandirian belajar dan gaya belajar siswa denganÂ hasil belajar kognitif Biologi.

Differences in learners’ critical thinking by ability level in conventional, NHT, PBL, and integrated NHT-PBL classrooms Muhammad Rijal; Ajeng Gelora Mastuti; Dian Safitri; Suhaedir Bachtiar; Salma Samputri
International Journal of Evaluation and Research in Education (IJERE) Vol 10, No 4: December 2021
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijere.v10i4.21408

This study aimed to analyze the effect of conventional, Problem-Based Learning (PBL), Numbered-Head Together (NHT), and integrated PBL-NHT learning models on the low- and high-ability students’ critical thinking. This quasi-experimental study used a pretest-post-test nonequivalent control group design with a four-by-two factorial pattern. The analysis results showed that learners’ critical thinking was impacted by learning models implemented in the classroom and influenced by the interaction between the learning models and learners’ academic abilities. There was no difference in critical thinking among low-ability students who were taught with PBL, conventional, and integrated PBL-NHT, but a difference was found in students taught using NHT. There was no difference in critical thinking between high-ability students taught with conventional and NHT instruction, but there was a difference between students taught with PBL and integrated PBL-NHT instruction. To foster critical thinking, pupils with low academic ability should be taught using NHT, whereas those with high academic ability should be taught using PBL or an integrated PBL-NHT approach.

Kandungan Logam Berat Timbal (Pb) Dan Kadmium (Cd) Pada Air, Sedimen Dan Organ Mangrove Di Perairan Tulehu NUR ALIM NATSIR; YUSRIANTI HANIKE; MUHAMMAD RIJAL; SUHAEDIR BACHTIAR
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 8, No 2 (2019): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

Differences in the accumulation of heavy metals lead and cadmium in water, sediments and mangrove organs (roots, stems and leaves) found in the waters of Tulehu, Maluku Province. Samples were taken from three observation stations, namely stopping ships that are not operating (station 1), Tulehu harbor (station 2) and Control (station 3). Pb and Cd were analyzed using Atomic Absorption Spectrophotometer. Pb and Cd content in sediments is higher than in water. The highest Pb and Cd content is found in the stems then in the roots and leaves (stems> roots> leaves). Mangroves are one of the aquatic organisms that have the ability to absorb heavy metals in the aquatic environment. Key words: Mangrove, Pb, Cd, Heavy Metal

PENGARUH PENAMBAHAN RAGI PADA MEDIA TERHADAP PERKEMBANG BIAKAN Drosophila melanogaster Dian Safitri; Suhaedir Bachtiar
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 6, No 1 (2017): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

PENERAPAN STRATEGI TEAM BUILDING DALAM MENINGKATKAN HASIL BELAJAR SISWA KELAS VIII PADA KOSEP EKOSISTEM DI SMPN 2 BATANG SUL-SEL Suhaedir Bachtiar
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 2, No 2 (2013): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

PENGARUH PEMETIKAN TUNAS TERHADAP HASIL PANEN UBI KAYU Amina Hayoto; Cornelya Pary; Suhaedir Bachtiar
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 6, No 2 (2017): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

PENGARUH KOMPOSISI MEDIA HIDROPONIK TERHADAP PERTUMBUHAN TANAMAN TOMAT Suhaedir Bachtiar; Muhammad Rijal; Dian Safitri
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 6, No 1 (2017): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

PENGARUH LAMA PENGERINGAN TERHADAP MUTUH KERIPIK BERBAHAN DASAR LIMBAH BUAH NANGKA (Artocarpu heterophyllus L) suhaedir Bachtiar
BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan Vol 7, No 2 (2018): BIOSEL (Biology Science and Education): Jurnal Penelitian Science dan Pendidikan
Publisher : INSTITUT AGAMA ISLAM NEGERI AMBON

Hubungan antara Sikap, Kemandirian Belajar, dan Gaya Belajar dengan Hasil Belajar Kognitif Siswa Syamsu Rijal; Suhaedir Bachtiar
JURNAL BIOEDUKATIKA Vol 3, No 2 (2015)
Publisher : Universitas Ahmad Dahlan

Penelitian ini bertujuan untuk menyelidiki hubungan antara variabel sikap, kemandirian belajar dan gaya belajar dengan hasil belajar kognitif biologi. Penelitian ini merupakan penelitian ex post facto. Instrumen penelitian berupa angket yang digunakan untuk memperoleh data sikap, kemandirian belajar, dan gaya belajar siswa. Dokumentasi, digunakan untuk memperoleh nilai hasil belajar kognitif biologi. Pengumpulan data sikap, kemandirian, dan gaya belajar siswa dilakukan melalui pemberian angket (kuesioner) kepada siswa. Data hasil belajar kognitif siswa diperoleh dari nilai ulangan semester. Data dianalisis dengan menggunakan analisis statistik inferensial dengan ujiÂ korelasi product moment, regresi sederhana dan berganda. Hasil penelitian menunjukkan bahwa terdapat hubungan yang positif antara: (i) sikap siswa dengan hasil belajar kognitif Biologi, dengan nilai korelasi sebesar 0,621, (ii) kemandirian belajar siswa dengan hasil belajar kognitif Biologi, dengan nilai korelasi sebesar 0,579, (iii) gaya belajar siswa dengan hasil belajar kognitif Biologi, dengan nilai korelasi sebesar 0,577, (iv) sikap, kemandirian belajar dan gaya belajar siswa dengan hasil belajar kognitif Biologi.

Critical Thinking Skills Through Integration of Problem-Based Learning with Inquiry in Science Learning Dian Safitri; Wira Yustika Rukman; Nurul Magfirah; Suhaedir Bachtiar
Indonesian Journal of Science and Education Vol. 6 No. 1 (2022): Indonesian Journal of Science and Education
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/ijose.v6i1.79

This study aims to determine students' critical thinking skills through an inquiry learning model with problem based learning. This research is classroom action research. The subjects of the study were all class VIII students of SMP Negeri 2 Rumbia, totaling 2 groups with 15 students in one group in accordance with the limited face-to-face learning rules in the era of the covid 19 pandemic. The test instrument used was in the form of open questions (essay form) according to the grid. test. Critical thinking skills that are measured are identifying and formulating problems, giving arguments, making deductions, conducting inductions, evaluating, and deciding and carrying out actions. The results showed that the Problem Based Learning learning model with Inquiry was effectively used to improve students' critical thinking skills. Students' critical thinking skills have increased from cycle 1 to cycle 2 with an average pretest score of 50.25, while the posttest average score is 87.48. There was a significant increase in students' critical thinking skills in cycle 2 who were taught using the Problem Based Learning learning model with Inquiry, namely 37, 23

Co-Authors Amina Hayoto Cornelya Pary Dian Safitri Dian Safitri Dian Safitri Mastuti, Ajeng Gelora Muhammad Rijal Muhammad Rijal NUR ALIM NATSIR Nurul Magfirah P Purwanto Rukman, Wira Yustika Salma Samputri Syamsu Rijal Yusrianti Hanike

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