This study aims at obtaining pre-service biology teachers’ metacognitive skills in invertebrate zoology. A number of pre-service biology teachers that take invertebrate zoology course at a state university in Sumatera, Indonesia, were involved as participants in this study. Data on metacognitive skills were collected using metacognitive skills instrument test that have been developed. The data obtained were processed by calculating the percentage (%) for each indicator of metacognitive skills. Results show that the value of pre-service biology teachers’ metacognitive skills on invertebrate zoology are 4.86. For each indicator of metacognitive skill composition were no logic, no systemic, no analyse/evaluate/create (64.56%); no logic, no systemic, less analyse/evaluate/create (31.60%); no logic, no systemic, have analyse/evaluate/create (2.53%), and no logic, have systemic, have analyse/evaluate/create (1.27%). Based on the results of this study, it is suggested that pre-service biology teachers’ metacognitive skills in invertebrate zoology was very low. In order to repair pre-service biology teachers’ metacognitive skills, it is needed revision on instructional strategies for invertebrate zoology course.
Learning science is not just for memorizing concepts and materials, but students are expected to be able to apply science in everyday life. The approach that can be used in learning science and making students accustomed to science in their lives is a contextual approach, where students will learn science very interestingly, through direct and meaningful experience. Nowadays natural science learning does not apply a contextual approach as a whole. Integrating Local Potential with the material or content of natural science is one step that can be done to make learning science meaningful because it is very close to the daily lives of students. This research is a descriptive quantitative study with data collection methods through interviews, observations and also literature studies. The results of the study information that there are 22 local potentials of Palembang with 16 of them having a content of natural sciences so that they meet the criteria for being a source of learning and 6 others do not have a significant natural sciences content. The content of science that can be taught through local potential includes material in grades VII, VIII and IX of Junior High School.
The study of bay leaf extract had been done to know its potential as Culex quinquefasciatus repellent. Bay leaf extract has the secondary metabolite compounds, such as terpenoid that is known as repellent of mosquitoes. The aim of this study was to determine the effect of bay leaf extract on Culex quinquefasciatus. The method used in this study was an experiment with complete randomized design which was consisted of six treatments and four repetitions. The treatment consisted of control (0%), P1 (10%), P2 (20%), P3 (30%), P4 (40%), and P5 (50%) of bay leaf extract. Data were analyzed by using one-way ANOVA. The results of this study showed the lowest mean of C. quinquefasciatus which repelled was 83% and the highest was 95,5%. Analysis of variance indicated that amount of C. quinquefasciatus which avoided bay leaf extract was significantly different. Based on the result, it can be concluded that bay leaf extract is potential as C. quinquefasciatus repellent.
This study aims to determine the effect of Problem Based Learning supported by pedagogical agents (PBL-PA) on Higher Order Thinking Skills (HOTS) of preservice teachers in Invertebrate Zoology Learning. This study uses a quantitative approach applied to 77 preservice teacher participating in the Invertebrate Zoology lecture in Biology Education, FKIP, Universitas Sriwijaya in Academic Year 2018/2019. The method used is Quasi Experimental with Nonequivalent Control Group Design. Determination of the sample through Simple Random Sampling so that PBL-AP (26 people), PBL (26 people), and traditional classes (25 people). HOTS ability is measured through pretest and posttest with 25 multiple choice questions that have been tested for validity and reliability. Hypothesis testing using Analysis of Covariance (ANCOVA) uses the SPSS 23 program. The results of the study indicate that the PBL-PA Methos has a significant effectiveness on the HOTS ability of preservice teacher. Furthermore, the PBL-PA is better than the PBL and traditional method in improving HOTS ability of preservice teacher. The PBL-PA Mothod can increase learning motivation and make students confident in formulating problems well in the early syntax of PBL. Keywords: Pedagogical Agents , Higher Order Thinking Skills, Problem Based Learning, Invertebrate Zoology Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh model Problem Based Learning yang didukung agen pedagogi (PBL-AP) terhadap Higher Order Thinking Skills (HOTS) mahasiswa calon guru dalam Pembelajaran Zoologi Invertebrta. Penelitian ini menggunakan pendekatan kuantitatif yang diterapkan terhadap 77 mahasiswa calon guru peserta Perkuliahan Zoologi Invertebrata di Prodi Pendidikan Biologi, FKIP, Unsri pada Tahun Akademik 2018/2019. Metode yang digunakan adalah Quasi Experimental dengan desain Nonequivalent Control Group Design. Penentuan sampel dengan cara Simple Random Sampling sehingga diperoleh kelas PBL didukung agen pedagogi (26 orang), kelas PBL (26 orang), dan kelas tradisional (25 orang). Kemampuan HOTS diukur melalui pre-test dan post-test dengan instrumen 25 soal pilihan ganda yang telah teruji validitas dan reliabilitanya. Uji hipotesis menggunakan Analysis of Covariance (ANCOVA) menggunakan program SPSS 23. Hasil penelitian menunjukkan bahwa Model PBL-AP memiliki pengaruh yang signifikan terhadap kemampuan HOTS mahasiswa calon guru. Selanjutnya, model PBL-AP lebih baik dari pada model PBL dan tradisional dalam meningkatkan kemampuan HOTS mahasiswa calon guru. Model PBL-AP dapat meningkatkan motivasi belajar dan membuat peserta didik percaya diri dalam merumuskan permasalahan dengan baik pada tahap awal sintaks PBL. Kata kunci: Agen Pedagogi, Problem Based Learning, Higher Order Thinking Skills, Zoologi Invertebrata
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