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All Journal Jurnal Florea International Journal of Technology and Education Research
Marheny Lukitasari
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Other

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How can LS Improve the Effectiveness of PBL-TaRL in Biology Learning with Ecosystem Material? Septiana, Bella; Misri Supadmi; Sumani; Marheny Lukitasari
Florea : Jurnal Biologi dan Pembelajarannya Vol. 11 No. 1 (2024)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/florea.v11i1.21091

Abstract

The main objective of this research is to analyze the effectiveness of PBL-TaRL implementation through Lesson Study (LS) on Ecosystem material in high school. The research design used a combination of qualitative and quantitative data through mixed methods with triangulation. The study consisted of three cycles that observed students' learning activities especially in the Plan, Do, and See stages. A pretest-posttest sheet in the form of a google form and an observation sheet were used as instruments in this study. All data were analyzed qualitatively with paired sample t-test and N-Gain test. The results showed that LS-based PBL-TaRL had effective results in learning, from the acquisition of N-Gain in cycle 1 of 72.2%, 95.75% in cycle 2, and 89.66% in cycle 3. These findings are expected to provide information for subject teachers, and the government in the field of education to further develop and apply the PBL-TaRL approach.
Students' Critical Thinking Ability in Understanding Natural Science Problems: Systematic Literature Review Tasya Dian Muliana; Ivayuni Listiani; Marheny Lukitasari
International Journal of Technology and Education Research Vol. 3 No. 01 (2025): January - March, International Journal of Technology and Education Research (I
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v3i01.1580

Abstract

Developing critical thinking skills in the science learning process, students are expected to have an active attitude in identifying science problems. The aim of this research is to develop learning activities on critical thinking skills in solving students' science problems. This research uses the SLR method which is carried out by: (1) identification; (2) assess; (3) interpret all existing research evidence by studying indicators; and (4) how to bring out students' critical thinking skills in science as a research object. So that this understanding can be used to solve problems and make decisions for the progress of human civilization. The conclusions in this research are: (1) differences in indicators used to measure students' critical thinking abilities; (2) differences in aspects of interpretation indicators; (3) use of PBL; and (4) STEAM approach.
Morphological, Anatomical, and Phytochemical Responses of Celosia argentea to Light Intensity Fredella Josenia, Carlen; Setiawati, Tia; Marheny Lukitasari; Hasan, Rusdi
Florea : Jurnal Biologi dan Pembelajarannya Vol. 12 No. 2 (2025)
Publisher : UNIVERSITAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/florea.v12i2.23218

Abstract

This study investigates the phytochemical content and morpho-anatomical characteristics of Celosia argentea L. plants grown under different light intensities in the Embung Leuwi Padjadjaran area. Leaf samples were collected from shaded and unshaded locations to compare their responses to varying light conditions. Phytochemical analysis revealed that plants in higher light intensity areas tended to have increased levels of specific phytochemical compounds, which is crucial for the plant's defense mechanisms. Furthermore, the research found morphological and anatomical differences, such as greater leaf thickness and a lower stomatal density in unshaded plants. Conversely, shaded plants exhibited higher chlorophyll content and larger leaf areas, which are adapted to low-light environments. The study concludes that varying light intensity significantly influences the morpho-anatomical features and phytochemical composition of Celosia argentea L., with shaded conditions promoting adaptations for light capture and unshaded conditions increasing certain phytochemicals and leaf thickness.
Co-Authors Fredella Josenia, Carlen Ivayuni Listiani Misri Supadmi Rusdi Hasan Septiana, Bella Sumani Tasya Dian Muliana Tia Setiawati