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All Journal Biocaster : Jurnal Kajian Biologi
Herliani Herliani
Program Studi Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mulawarman, Jalan Kuaro, Samarinda, Kalimantan Timur 75119, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology

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Pengaruh Model Pembelajaran Terintegrasi Shared terhadap Hasil dan Motivasi Belajar pada Pokok Bahasan Sistem Sirkulasi Siswa Kelas XI di SMAN 4 Samarinda Tahun Pembelajaran 2025/2026 Nur Zahra Al Azizah; Herliani Herliani; Sonja Verra Tinneke Lumowa; Elsje Theodora Maasawet
Biocaster : Jurnal Kajian Biologi Vol. 6 No. 2 (2026): April
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v6i2.1302

Abstract

This study aims to analyze the effect of the shared integrated learning model on student learning outcomes and motivation in the circulatory system topic in grade XI of SMAN 4 Samarinda. This study used a quasi-experimental method with a non-equivalent control group design and purposive sampling technique. The research sample consisted of 25 students in the experimental class and 25 students in the control class. The research instruments were a learning outcome test and a learning motivation questionnaire. Data analysis was conducted using the N-gain test and independent sample t-test at a significance level of α = 0.05. The results showed that the N-gain of learning outcomes in the experimental class was 0.61 (medium category) higher than the control class at 0.31 (low category). The N-gain of learning motivation in the experimental class was 0.20 (low category) also higher than the control class at 0.04 (very low category). The results of the hypothesis test showed a significance value <0.05, so the shared integrated learning model has a significant effect on student learning outcomes and motivation in the circulatory system topic.
Pengaruh Daun Sirsak dan Bawang Putih sebagai Pestisida Nabati terhadap Hama Bayam Belang BA 132 Angelina Triandini Payung Datu Melo; Sonja Verra Tinneke Lumowa; Herliani Herliani; Nelda Anasthasia Serena
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.430

Abstract

Insect pest attacks are one of the main obstacles in cultivating striped spinach (Amaranthus tricolor L.), because they reduce the quality and quantity of the harvest. Long-term use of synthetic pesticides has a negative impact on the environment and health. This study aims to test the effectiveness of the combination of soursop leaf extract (Annona muricata L.) and garlic (Allium sativum) as a botanical pesticide on the intensity of pest attacks. The study was conducted using a Randomized Block Design (RBD) with five concentration treatments (0%, 25%, 45%, 65%, and 85%) and five replications. Data were analyzed using ANOVA and BNT test at the 1% level. The results showed that the botanical extract treatment had a significant effect on reducing the intensity of pest attacks, with a concentration of 85% giving the most effective results (Fcount 236.05 > Ftable 4.77). The treatment of plant leaves showed lower damage than the control. This effectiveness is thought to be due to the content of active compounds, such as flavonoids, saponins, tannins, acetogenins, and alkaloids which are toxic to pests. In conclusion, soursop leaf and garlic extracts have the potential to be environmentally friendly botanical pesticides and can be used as an alternative to control striped spinach plant pests.
Pengaruh Model Teams Games Tournament (TGT) Berbantuan Wordwall (Gameshow Quiz) terhadap Keterampilan Berpikir Kritis dan Hasil Belajar Siswa SMAN 14 Samarinda Rizky Mudzalifah; Herliani Herliani; Akhmad Akhmad; Jailani Jailani
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.432

Abstract

The purpose of this study was to evaluate the effectiveness of the Teams Games Tournament (TGT) learning model based on Wordwall type Gameshow Quiz in improving learning outcomes and critical thinking skills of class XI students at SMAN 14 Samarinda. This study used a Quasi-Experimental design with a Non-Equivalent Control Group Design. and Purposive Sampling techniques in sample selection, and T-Test and N-Gain tests to analyze the results. The results showed that the N-Gain of critical thinking skills in the experimental group was 0.53 (moderate category) and in the control group was 0.32 (moderate category). On the other hand, the N-Gain for learning outcomes in the experimental group was 0.56 (moderate category), while in the control group it was 0.25 (low category). The results of the hypothesis test analysis, critical thinking skills and learning outcomes each had significant values ​​of 0.002 and 0.000. Thus, the TGT model with Wordwall Gameshow Quiz media is effective in improving critical thinking skills and learning outcomes of class XI students at SMAN 14 Samarinda.
Pengaruh Implementasi Pembelajaran Berbasis AR Model Pembelajaran PjBL terhadap Keterampilan Bertanya dan Berpikir Kritis Siswa Materi Sistem Reproduksi Kelas XI SMA Negeri 14 Samarinda Salsabila Royani Putri Ramadhani; Masitah Masitah; Herliani Herliani; Vandalita Magdalena Maria Rambitan
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.485

Abstract

This study aims to test the effectiveness of the use of Augmented Reality (AR) technology in the Project Based Learning (PjBL) model on improving students' questioning and critical thinking skills. The method used is a quasi-experimental method with a non-equivalent control group design. The subjects of the study were students of grade XI SMAN 14 Samarinda who were divided into an experimental class and a control class, each consisting of 20 students. The research instruments used were essay tests, observation sheets, and documentation. The data analysis techniques used were descriptive statistics (mean and standard deviation), N-Gain test, t-test (Independent Sample T-Test), and Normality & Homogeneity test using SPSS 25 for Windows. The results of the analysis showed a more significant increase in skills in the experimental class compared to the control class. The N-Gain value of the experimental class' questioning skills was 0.46 (moderate category), while the control class was 0.21 (low). For critical thinking, the experimental class obtained 0.51 (moderate), higher than the control class 0.33 (moderate). These findings indicate that AR integration in PjBL effectively improves questioning and critical thinking skills, and contributes to 21st century learning innovation.
Pengaruh Penggunaan Brain Based Learning Berbantuan Wordwall terhadap Keterampilan Proses Sains dan Hasil Belajar Siswa Rosita Aulia Adzilla; Herliani Herliani; Vandalita Magdalena Maria Rambitan; Masitah Masitah; Akhmad Akhmad
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.495

Abstract

Brain Based Learning is an approach based on how the human brain works. This model creates a learning atmosphere that is in harmony with the way the brain naturally processes information, with the hope of increasing student participation and their learning outcomes. In its implementation, the Brain Based Learning model is combined with the use of Wordwalls as a learning aid. Wordwall is a technology-based platform that offers a variety of user-friendly quizzes, games, and activities. This study aims to determine the effect of the use of the Brain Based Learning model and Wordwalls on science process skills and student learning outcomes. This type of research is a quasi-experimental study using a Pretest-Posttest Control Group Design. The research instrument uses a test, with 10 essay questions, 5 questions to measure science process skills, and 5 questions to measure student learning outcomes. The sampling technique in this study uses the Purposive Sampling technique. To analyze the data, the researcher used the t-test with a significance level of 0.05. The results of the analysis show that the t-test obtained a sig. A 2-tailed test of 0.00 (0.00<0.05) for both variables indicates an effect of the Brain-Based Learning model assisted by Wordwall media on the science process skills and learning outcomes of 11th-grade students at SMA Negeri 13 Samarinda on the human sensory system topic.
Pengaruh Model Pembelajaran Problem Based Learning (PBL) Berbantuan Media Pop Up Book terhadap Partisipasi Aktif Siswa pada Materi Ekosistem Kelas X di SMA Islam Samarinda Nurhidayah Eka Widyaningrum; Masitah Masitah; Zenia Lutfi Kurniawati; Jailani Jailani; Herliani Herliani; Vandalita Maria Magdalena Rambitan; Suparno Putera Makkadafi
Biocaster : Jurnal Kajian Biologi Vol. 5 No. 3 (2025): July
Publisher : Lembaga Pendidikan, Penelitian, dan Pengabdian Kamandanu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36312/biocaster.v5i3.607

Abstract

Active student participation is the direct involvement of students in the learning process which includes indicators, such as: giving opinions, giving responses, doing assignments, concluding, and presenting. Class X students at SMA Islam Samarinda have low active participation in learning activities. Therefore, the use of appropriate learning models and media is very necessary to attract students' attention so that students are more actively involved in learning activities. This study aims to determine the effect of the Problem Based Learning (PBL) learning model assisted by pop-up book media on students' active participation in ecosystem material for class X at SMA Islam Samarinda. The type of research used is quantitative research with a quasi-experimental method and uses a research design, namely pretest-posttest control group design. The sample in this study was class X-1 as an experiment and class X-2 as a control, where each class consisted of 25 students, so that the total sample was 50 students, with a sampling technique of simple random sampling. Data collection in this study used a student active participation questionnaire, with data analysis using a hypothesis test using an independent sample t-test with a significance level of 5%. Based on the research conducted, a 2-tailed significance value of 0.000 < 0.05 was obtained, indicating that the Problem-Based Learning (PBL) model using pop-up books significantly influenced student active participation in ecosystems material for 10th grade students at SMA Islam Samarinda.
Co-Authors Akhmad Akhmad Angelina Triandini Payung Datu Melo Elsje Theodora Maasawet Jailani Jailani Masitah Masitah Nelda Anasthasia Serena Nur Zahra Al Azizah Nurhidayah Eka Widyaningrum Rizky Mudzalifah Rosita Aulia Adzilla Salsabila Royani Putri Ramadhani Sonja Verra Tinneke Lumowa Suparno Putera Makkadafi Vandalita Magdalena Maria Rambitan Vandalita Maria Magdalena Rambitan Zenia Lutfi Kurniawati