Jurnal Mangifera Edu
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Discovery-learning-based Module Development Enriched with Sambas Folklore on the Sub Material Classification of Living Things
Full text linkThis study aims to develop a module as teaching materials on the Sub Material Living Things Classification of living things sub-material with a discovery learning approach combined with folklore and determine students' responses to these teaching materials. This study uses the first three stages of the Thiagarajan 4D model development method: define, design, develop, and disseminate. The research instruments used were validation sheets and questionnaires. The sample in this study was class X high school students consisting of 15 people. The five product validators consisted of two lecturers from the Biology Study Program, Faculty of Mathematics and Natural Sciences, Tanjungpura University, three biology teachers from 2 high schools in Pontianak City, and one from Sambas Regency. The module validation sheet consists of 4 aspects, namely content, language, presentation, and graphics consisting of 20 indicators. The student response questionnaire consists of three aspects, namely cognitive, affective, and conative aspects, comprising 26 statements. The response questionnaire validators consisted of 2 lecturers from the Biology Education Study Program, FKIP, University of Tanjungpura. Developing a module based on discovery learning sub-material classification of living things is declared feasible because it obtains a validity value of CVR = 1, meaning that the module is valid in content. Modules declared feasible are tested on a limited basis and obtain an average result of 81.9% in the very strong category. Further research is needed to test modules in larger classes
Potential for Aquaculture of Lais Fish (Kryptoterus palembangensis) in Swamplands
Full text linkIkan lais (Kryptopterus palembangensis) merupakan salah satu ikan endemik yang ada di Sumatera Selatan. Ketersediaan ikan lais di alam mulai menurun karena penangkapan yang dilakukan oleh masyarakat secara terus menerus akan mengganggu kelestarian ikan lais. Diketahui nilai ekonomis yang tinggi menjadi penyebabnya. Oleh karena itu perlu dilakukan upaya untuk pengembangan budidaya ikan lais agar dapat diproduksi secara terkontrol. Metode penulisan yang digunakan yaitu studi pustaka. Adapun teknologi dan manajemen dari ikan lais diantaranya perbedaan padat tebar pada keramba jaring apung, pemberian jenis pakan berbeda, perendaman larva pada larutan probiotik, pengaruh perbedaan suhu dan pematangan gonad dengan mineral Fe. Kemudian untuk rata-rata kualitas air dalam pertumbuhan ikan lais adalah suhu 25,20-32,00 ºC, kisaran pH sebesar 4,70-7,90, DO 2,60-8,00 mg L-1 dan kandungan amonia berkisar 0,010-2,000 mg L-1. Ikan lais termasuk dalam kelompok ikan karnivora karena jenis makanan utamanya adalah ikan kecil, insekta dan udang. Pada ikan yang diteliti secara terkontrol, pakan menggunakan Tubifex sp. memberikan pertumbuhan dan kelangsungan hidup yang tertinggi. Pemijahan ikan lais baji satu kali dalam setahun dengan pola pemijahan total spawner di musim penghujan yang dimana pada saat permukan air mulai naik dan pemijahan dilakukan di dalam celah-celah bebatuan. Gambaran sel darah merupakan aspek pendukung dalam menentukan status kesehatan ikan. Kondisi fisiologis ikan yang sehat ditandai dengan adanya pertumbuhan yang meningkat. Fisiologis pertumbuhan ikan lais dalam keadaan sehat yaitu, total eritrosit 264,00 ± 3,00 x104 sel mm-3, hemoglobin 8,3±0,11 g/dL, hematokrit 26,66±0,57 %, total leukosit 2,53±0,01 x 104 sel mm-3 dan Glukosa darah 89,00 ± 1,00 mg/d
Analysis of Computer-Based Teaching Materials in Biology Learning Using Bibliometric Tools (Application of the SLNA Method)
Full text linkPenelitian ini termasuk ke dalam penelitian kualitatif deskriptif dengan menggunakan metode SLNA yang bertujuan untuk mengetahui hasil analisis bahan ajar berbasis komputer pada pembelajaran bioteknologi. Bahan ajar berbasis komputer berisikan materi-materi ajar dengan menggunakan komputer sebagai media pembelajaran efektif. Subjek penelitian ini yaitu bahan ajar komputer pada pembelajaran bioteknologi itu sendiri. Pada penelitian ini juga peneliti melakukan analisis sebanyak 25 artikel yang telah difiltrasi berdasarkan topik bahan ajar komputer. Analisis tersebut dimuat dalam beberapa komponen seperti judul, tahun, doi, author, metode, hasil analisis, dan kesimpulan. Penelitian ini menggunakan Bibliometrix tools (Aplikasi metode SLNA) sebagai media yang digunakan dalam menganalisis artikel-artikel tersebut. Dari penelitian ini maka diperoleh kesimpulan penggunaan bahan ajar komputer menghasilkan pengaruh positif yang hasilkan yaitu bersifat efektif dan fleksibel dalam pembelajaran bioteknologi karena dapat memvisualisasikan materi ajar kedalam bentuk gambar, video, suara sehingga memberi kesan yang tidak membosankan saat kegiatan pembelajaran berlangsung
The Development of HOTS Instruments In Biology Learning
Full text linkThis study aims to produce valid and reliable Higher Order Thinking Skills instruments in learning the biology of ecology and environment material. The research is a Research and Development study with the ADDIE model. The research was conducted at SMA Negeri Kerinci. The sample in the study came from 2 biology education lecturers and 3 biology teachers. The instruments in this study were a 20-item multiple-choice HOTS test sheet and a validation questionnaire. Data collection techniques are tests and validation questionnaires. Indicators of Higher Order Thinking Skills are the ability to analyze, evaluate and create. Data analysis is quantitative and qualitative data analysis with the help of the SPSS version 16 application. The results showed that the Higher Order Thinking Skills instrument had a validation value of 0.724 with decent criteria and reliability of 0.972 with high criteria. These findings explain that the Higher Order Thinking SSkills(HOTS) instrument is very valid and reliable for use in ecology and environmental materials
Association of dominant tree species in lowland forest of Mount Ciremai National Park
Full text linkThe vegetation of the Karangsari rehabilitation zone of Mount Ciremai National Park vegetation consists of several trees that grow together and interact with each other. This study aimed to determine species diversity and dominant tree associations in the rehabilitation zone of Karangsari Block, Mount Ciremai National Park. Field data collection using the checkered line method on a predetermined number of sampling plots. Furthermore, it was analyzed using the Important Value Index (IVI) to determine the dominant tree species and to determine the association relationship using a 2 x 2 contingency table. The study found 22 tree species with a diversity index value of 1.4. The dominant trees found in the study area were tusam (Pinus merkusii), saninten (Castanopsis argantea), anggrit (Nauclea sp), and avocado (Persea americana). There are six pairs of association relationships between dominant trees four pairs are positive and two are negative. This information is essential for future management of the use zone
The application of modified free inquiry for the science process skills
Full text linkThis study aimed to improve students' science process skills by applying modified free inquiry, which is a modification of two approaches: guided inquiry and free inquiry. The research method used is true-experimental design. The instruments used are test questions with indicators of science process skills and observation sheets on implementing the modified free inquiry learning model. The data collection technique was descriptive and quantitative with hypothesis testing using a nonparametric test Two Independent Sample Test, the Mann-Whitney test, and the gain score pretest and posttest. The results showed an increase in science process skills with an N-Gain value in the experimental class of 0.87 and the control class of 0.19. The results of hypothesis testing using the Mann-Whitney test obtained a significance value of 0.000 < 0.005, and the observation sheet on the modified free inquiry learning model was obtained 100% well implemented. Based on data analysis, it can be concluded that modified free inquiry can be used as a learning model that can be applied to biology learning and improve science process skills
Student responses to the electronic module of the circulatory system
Full text linkThe use of electronic teaching materials could increase students’ interest in learning. An electronic module was one of the teaching materials. This study aimed to see the feasibility of the electronic module material for the circulatory system. We used the research and development method. This study’s method had steps that included potential and problems, data collection, product design, design validation, design revision, and product testing. Five validators validated product design. The data analysis used the CVR and CVI values for each criterion in the validation aspect which are course, graphic, contents, and language with a minimum value of 0.99. The study found two important findings. First, from the validator, the CVR values in all elements had a value of 1, and the CVI results each had a value of 1. Hence, the electronic module of the circulatory system material is declared valid and feasible to use. Second, the product trial obtained an overall average score of 88.4% and was very positive. It means that the electronic module could be an alternative teaching material used in the learning process at school or self-study for the student at home
Impact of laboratory facilities access in Kwara State, Nigeria on student performance in upper basic schools
Full text linkThe low learning outcomes of students caused by the underutilization of science laboratory facilities in some Kwara State Upper Basic Schools need to reveal. Thus, this research aimed 1) to analyze the effect of science laboratory utilization by the teachers and their experience on the students' learning outcomes, 2) to analyze the effect of science laboratory utilization by male and female teachers on the students learning outcomes, and 3) to analyze the effect of science laboratory utilization by experienced teachers to the students' learning outcomes. It is ex post facto research with multiple linear regression analysis due to its two independent variables. This research took both public and private upper primary school teachers in Kwara State, Nigeria, as the population. Forty-seven Public and Private Upper Basic Schools in all parts of the state are taken as samples randomly in this research. There were 100 basic science teachers taken as respondents. This research reported that 1) teachers’ utilization of science laboratory based on gender and experience in teaching science simultaneously influence students' learning outcomes with value Sig. 0,00 < 0,05, 2) the utilization of the science laboratory by the male and female teachers did not significantly influence the students' learning outcomes, with value Sig. Equal variances assumed 0,017 < 0,05, and 3) the utilization of a science laboratory by experienced teachers in teaching basic science significantly influenced one student’s learning outcomes. 
The implementation of osmosis practicum during the COVID-19 pandemic
Full text linkBiology lessons conducted online during the COVID-19 pandemic have hampered school implementation practicum activities. Therefore, it is necessary to conduct research that aimed to describe the implementation of biology practicum during online learning. This research was conducted to determine the impact of online osmosis practicum during the COVID-19 pandemic in class XI MIPA 4 SMA Negeri 1 Sindang with a sample of 27 students of class XI MIPA 4 and 1 biology teacher. The method used in this research is descriptive qualitative. The sampling technique was carried out by the purposive sampling method. The instruments used are observation sheets, questionnaire sheets, interview sheets, documentation, and field notes. The data analysis technique used is descriptive qualitative analysis. The osmosis practicum process is carried out independently by students using the guidance from the teacher provided. The practicum results are then reported in an activity video, and the teacher will check the video. The results of the research carried out showed that the implementation of the osmosis practicum went well. The readiness of the tools and practicum materials is in the very good category, students' understanding of doing practicum is in a good category, the conclusions are in a good category, and the practicum report is in the very good category. From the results obtained, it can be concluded that the implementation of the osmosis practicum in class XI MIPA SMA Negeri 1 Sindang was carried out online is implemented properly and effectively
On the relationship between critical thinking skills, biology learning outcomes, and their visual learning style
Full text linkCritical thinking ability refers to an individual's capacity for in-depth thought due to the development of diverse thinking talents, including cognitive capabilities, in response to the acquired information. The purpose of the present study was to investigate the relationship between critical thinking skills, biology learning outcomes, and the visual learning style of students. The study used the correlational research method to ascertain the association between critical thinking abilities and biology learning outcomes among students with a visual learning style in class XI MIPA SMAN 6 Tasikmalaya. To this end, 40 students with predominating visual learning styles were selected from 137 students from class XI MIPA 4-7 at SMAN 6 Tasikmalaya. They were asked to fill in a learning style questionnaire with 23 statements. Moreover, they were asked to answer the nine-question evaluation of students' critical thinking abilities regarding biology topics. Students completed learning outcomes from the Year-End Assessment (PAT) grade XI MIPA in biological issues. Pearson product-moment correlation was employed to answer the research question. The result of the study indicated there is critical thinking ability had a limited association with learning outcomes in students who chose a visual learning approach. The correlation coefficient (R) of 0.365 and coefficient of determination (R2) of 0.133 attested to this. The findings revealed that both critical thinking skills and visual learning styles could predict learning outcomes