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Ely Djulia
Department Of Biology, Faculty Of Mathematics And Natural Science, Universitas Negeri Medan, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Education Immunology & microbiology Languange, Linguistic, Communication & Media Physics Transportation Other

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Pengaruh Strategi Pembelajaran Problem Based Learning (PBL) Dan Group Investigation (GI) Terhadap Keterampilan Proses Sains Di MAN Kabanjahe Iskandar Dinata Ginting; Ely Djulia; Tumiur Gultom
Jurnal Pendidikan Biologi Vol 6, No 3 (2017): Jurnal Pendidikan Biologi
Publisher : Magister Pendidikan Biologi, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpb.v6i3.8046

Abstract

This study aims to determine the effect of learning strategies on the skills of the science process. The research method used quasi experiment with research sample of 3 classes determined randomly with cluster random sampling technique. Class A is taught by Problem Based Learning strategy, class B with Group Investigation and Class C (Control) learning strategy using Conventional learning strategy. The research instrument uses a science skill test in the form of a description of the observation sheet. Data analysis techniques with Covariate Analysis (ANACOVA) at significant level α = 0.05 with the help of SPSS 24. The results showed there is a significant influence of learning strategy on science process skills (F = 9,229; P = 0,000). As a follow-up of the results of this study is expected to teachers to be able to implement Problem Based Learning (PBL) strategy on Ecology material in an effort to improve the skills of science process.
Pengaruh Strategi Pembelajaran Berbasis Masalah dan Minat Belajar Terhadap Kemampuan Berpikir Kritis dan Hasil Belajar Siswa pada Materi Sistem Pencernaan Makanan Manusia di MAS Amaliyah Sunggal Ridho Fenni Naputri; Syarifuddin Syarifuddin; Ely Djulia
Jurnal Pendidikan Biologi Vol 5, No 2 (2016): Jurnal Pendidikan Biologi
Publisher : Magister Pendidikan Biologi, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpb.v5i2.4308

Abstract

This study was aimed to determine effect on: (1) Problem based learning strategy toward critical thinking skills; (2) Learning interest toward critical thinking skills; (3) Interaction between problem based learning strategy and learning interest toward critical thinking skills; (4) Problem based learning strategy toward students’ learning outcomes; (5) Learning interest toward students’ learning outcomes; and (6) Interaction between problem based learning strategy and learning interest toward students’ learning outcomes. Subjects in this study are taken as much as 3 classes is determined by a cluster random sampling. Determined learning class in research is 2 classes with sample of 38 people per class. . Based on the results show that there are significant effect on (1) Learning model toward critical thinking skills which obtained Fcount>Ftable (6,971>2,50) and probability value is 0,010<0,05; (2) Learning interest toward critical thinking skills which obtained Fcount>Ftable (24,949>2,50) and probability value is 0,000<0,05; (3) Interaction between learning model and learning interest toward critical thinking skills which obtained Fcount>Ftable (4,140>2,50) and probability value is 0,046<0,05; (4) Learning model toward students’ learning outcomes which obtainde Fcount>Ftable (25,269>2,50) and probability value is 0,000<0,05; (5) Learning interest toward students’ learning outcomes which obtained Fcount>Ftable (13,888>2,50) and probability value is 0,000<0,05; and (6) Interaction between learning model and learning interest toward students’ learning outcomes which obtained Fcount>Ftable (4,291>2,50) and probability value is 0,042<0,05. Based on this study can conclude that there are significant effect of strategy, interest, and interaction between learning strategy and learning interest toward critical thinking skills and students’ learning outcomes on the topic in digestive system of human at MAS Amaliyah Sunggal. This cases are expected to provide information for teachers and schools to use problem based learning strategy and learning interest to improve critical thinking skills and student’s learning outcomes.
Hubungan Metakognitif, Kemampuan Berpikir Kritis, Bimbingan Orang Tua dan Guru tentang Kesehatan Reproduksi dengan Persepsi Perilaku Seksual Siswa SMA Se-Kota Medan Alfi Sapitri; Ely Djulia; Herbert Sipahutar
Jurnal Pendidikan Biologi Vol 7, No 2 (2018): Jurnal Pendidikan Biologi
Publisher : Magister Pendidikan Biologi, Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpb.v7i2.10625

Abstract

This research intended to identify: (1) Student metacognition about reproduction health, (2) student critical thinking skill about reproduction health; (3) Student perception of sexual behaviour, (4) Parents’ and teachers’ guidance about reproduction health, (5) Teachers’ guidance about reproduction health, (6) The correlation among metacognitive, critical thinking, parents’ and teachers’ guidance about reproduction health into perception of sexual behaviour. This correlation study was conducted at Senior high schools in district Medan, North Sumatra Indonesia at 2013 academic year. Research instruments consist of metacognitive knowledge, metacognitive skill, critical thinking, parents’ and teachers’ guidance, and student perception of sexual behaviour that had been tested for validation, reliability, differential index and difficulty level. Data were analyzed through applied correlation analysis by using SPSS 21.0 for windows. The result of this study indicated that: (1) student metacognitive knowledge are moderately categorized as urban and rural while metacognitive skill are highly categorized for urban and rural; (2)student’s critical thinking are classified as moderate in urban and rural; (3) the student’s perception of sexual behaviour are moderate urban and rural;(4) parents’ guidance contributed moderately in urban and rural; (5) teachers’ guidance contributed moderately in urban and lowly in rural; (6) there is significant correlation between student perception of sexual behaviour and metacognition, critical thinking skill, parents’ and teachers’ guidance about reproduction health with Sig 0,049 < 0,05.
Developing the Research-Based Field Guides of Insect Pollinators on Tomato Plants Ermina Tarigan; Syarifuddin Syarifuddin; Ely Djulia
Budapest International Research in Exact Sciences (BirEx) Journal Vol 3, No 4 (2021): Budapest International Research in Exact Sciences, October
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v3i4.2647

Abstract

To determine: (1) the feasibility and responses of material, learning design, and layout validation experts to the developed research-based field guides of insect pollinators on tomato plants; (2) the responses of the Entomology lecturer to the developed field guides of insect pollinators on tomato plants; and (3) the responses of the Biology/Biology Education students to the research-based field guides of insect pollinators on tomato plants that have been developed. The population was all the Department of Biology students, Universitas Negeri Medan, who took an Entomology course. The sample was taken by random sampling technique with the number of samples for individual groups of 3 students, small groups of 9 students, and limited groups of 21 students. The instruments were the questionnaires of field guides validation as well as students’ responses to the products. The method applied the Thiagarajan 4-D development model, which consists of 4 stages: define, design, develop, and disseminate. However, this study was limited only up to the developmental stage. The results showed that: (1) the field guides were feasible and could be used in learning based on the results of the material, learning design, and layout validation scored 86%, 88%, and 93% (excellent category); (2) the field guides based on the responses of the Entomology lecturer scored 85% (excellent category); and (3) the field guides based on the responses of the students on an individual, small group and limited group tests scored 85.34%, 81.30%, and 83.18% (excellent category), consecutively.
Co-Authors Alfi Sapitri Amrizal Amrizal Binari Manurung Dian Arisetya Ermina Tarigan Fauziyah Harahap Fauziyah Harahap Fitriana Siregar Hafizah Saleh Halim Simatupang Hasruddin Hasruddin Hasruddin Hasruddin Hengki Frengki Manullang Herbert Sipahutar Hutri Purnama Sari Lubis Iskandar Dinata Ginting Janner Simarmata Khairunnisa Asnila Lubis Muhammad Ridho Nurhairani Nurhairani Ridho Fenni Naputri Satriawati Satriawati Sriadhi Sriadhi Syahmi Edi Syarifuddin Syarifuddin Syarifuddin Syarifuddin Tumiur Gultom Zulkifli Matondang