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All Journal Jurnal Manajemen Pendidikan Jurnal Riset Pendidikan Kimia (JRPK) Genta Mulia : Jurnal Ilmiah Pendidikan Jurnal Riset Sains dan Kimia Terapan
ERDAWATI ERDAWATI
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Aerospace Engineering Chemistry Education

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PENINGKATAN HASIL BELAJAR GERAK NON LOKOMOTOR MELALUI METODE DRILL DIKELAS IV SDN 13 TANJUNG BONAI KEC.LINTAU BUO UTARA ERDAWATI ERDAWATI
JURNAL MANAJEMEN PENDIDIKAN Vol 5, No 1 (2020): JURNAL MANAJEMEN PENDIDIKAN
Publisher : STKIP Pesisir Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34125/mp.v5i1.555

Abstract

Based on the learning outcomes obtained by students in Class IV SDN 13 Tanjung Bonai in PJOK learning it was found that the learning outcomes of students in PJOK learning were still very low and many were under the KKM. The purpose of this study was to describe and obtain information about efforts to improve student learning outcomes Non locomotor Motion through the application of learning methods through the application of the Drill Method in Class IV SDN 13 Tanjung Bonai, Sawahlunto City. This research is a classroom action research. Research procedures in this study include planning, action, observation and reflection. This research consisted of two cycles with four meetings. The research subjects consisted of 10 students of Class IV SDN 13 Tanjung Bonai. Research data were collected using tests. Data were analyzed using percentages. Based on the results of research and discussion, it can be concluded that the Drill Method can improve student learning outcomes in learning PJOK at SDN 13 Tanjung Bonai. Student learning outcomes from cycle I to cycle II have increased. Student learning outcomes in the first cycle was 68.67 (enough) increased to 75.59 (good) with an increase of 6.92.
ANALISIS BERFIKIR TINGKAT TINGGI (Higher Order Thinking) DENGAN MENGGUNAKAN PETA KONSEP PADA POKOK BAHASAN LARUTAN ELEKTROLIT DAN NON ELEKTROLIT Rahmi Hidayati; Imam Santoso; Erdawati Erdawati
Jurnal Riset Pendidikan Kimia (JRPK) Vol 3 No 1 (2013): Jurnal Riset Pendidikan Kimia (JRPK), Volume 3 Nomor 1 (2013)
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (147.45 KB) | DOI: 10.21009/JRPK.031.06

Abstract

This research aims to determine the use of concept maps to develop higher order thinking skills of students. Assignment concept map performed in groups and using the software C-Map Tools. Therefore, the assessment of students 'concept maps and students' performance during the process of making a concept map. The research method used is descriptive research. Quantitative data generated from the manufacture of students' concept maps are described and analyzed to determine changes in thought processes of students in higher-order thinking. The results of this study indicate a change students' thinking processes marked with the percentage change scores on each concept map assessment kriteria, that is the determination of the relevant concepts, propositions, hierarchy, and the cross-links, so that higher-order thinking skills can be developed by assigning students create a concept map. Based on the assessment of student performance during the process of mapping concept is known that most students already have a self-management skills, teamwork, time management, respect for opinions, solving problems, and expressed the opinion that good. However, students 'skills in analyzing questions and a positive attitude toward the task is still not good. Key words: higher order thinking, concept maps, electrolyte and nonelectrolyte solutions
Pengaruh Model Problem Based Learning dan Tipe Kepribadian Terhadap Kemampuan Berpikir Kritis Siswa pada Materi Koloid Tamrin Taher; Erdawati Erdawati; Afrizal Afrizal
Jurnal Riset Pendidikan Kimia (JRPK) Vol 8 No 1 (2018): Jurnal Riset Pendidikan Kimia (JRPK), Volume 8 Nomor 1 (2018)
Publisher : LPPM Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (732.76 KB) | DOI: 10.21009/JRPK.081.03

Abstract

This study aims to determine the effect of Problem Based Learning model and personality type to students' critical thinking ability on colloidal material. The subjects of the study were the students of class XI IPA2 and XI IPA3 SMA Negeri 5 Tidore Islands in the academic year 2016/2017 selected using cluster random sampling technique. The method used in this research is experimental method with 2x2 factorial design.The instruments used for critical thinking are essay and personality type instruments in the form of questionnaires. Analysis of this research date using two way variance analysis and continued with t-test. The result of date shows that: 1)there is interaction effect between learning model and personality type.2)there is a significant difference of students' critical thinking ability on colloid material taught by model of problem based learning and direct learning model. 3)There is a significant difference in students' critical thinking ability on colloidal material between extroverted and introverted personality students. 4) critical thinking skills of extroverted students taught with a higher problem-based learning model than if taught by direct learning model.5) the critical thinking skills of introverted students taught with Problem Based Learning model is lower than if taught by direct learning model. From the above results, it can be concluded that the model of Problem Based Learning is more suitable applied to students who have extroverted personality types to improve their critical thinking skills, especially on colloid material than introverted students. Keywords Problem Based Learning, Personality Type, Critical Thinking Ability, Colloid
STRATEGI BELAJAR MENGAJAR DENGAN MENERAPKAN METODE EKSPERIMEN UNTUK MENINGKATKAN PRESTASI BELAJAR KIMIA PADA SISWA KELAS X MIA 2 SMA NEGERI 1 KUALA SEMESTER GANJIL TAHUN PELAJARAN 2020/2021 Erdawati Erdawati
Genta Mulia : Jurnal Ilmiah Pendidikan Vol 12, No 2 (2021)
Publisher : STKIP Bina Bangsa Meulaboh

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Penggunaan metode eksperimen diharapkan dapat meningkatkan aktivitas siswa dalam proses belajar mengajar sehingga dalam proses belajar mengajar itu aktivitas belajar mengajar tidak terjadi kejenuhn, dengan demikian siswa akan terlibat secara fisik, emosional dan intelektual yang pada gilirannya diharapkan konsep perubahan benda yang diajarkan oleh guru dapat difahami oleh siswa. Penelitian ini menggunakan penelitian tindakan (action research) sebanyak tiga putaran. Setiap putaran terdiri dari empat tahap yaitu: rancangan, kegiatan dan pengamatan, refleksi, dan refisi. Sasaran penelitian ini adalah siswa Kelas X Mia 2 Data yang diperoleh berupa hasil tes formatif, lembar observasi kegiatan belajar mengajar. Dari hasil analisis didapatkan bahwa prestasi belajar siswa mengalami peningkatan dari siklus I sampai siklus III yaitu, siklus I (65,22%), siklus II (78,26%), siklus III (86,95%). 
Ekstraksi Astasantin dari Tepung Kulit Udang dengan Metode Maserasi untuk Uji Aktivitas Antioksidan Erirska Putri; Riskiono Slamet; Erdawati Erdawati
Jurnal Riset Sains dan Kimia Terapan Vol 8 No 2 (2019): Jurnal Riset Sains dan Kimia Terapan, Volume 8 Nomor 2, Oktober 2019
Publisher : Program Studi Kimia Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JRSKT.082.05

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh waktu dan rasio perbandingan antara tepung kulit udang dengan pelarut terhadap banyaknya ekstrak Astasantin yang dihasilkan dan untuk menguji aktivitas antioksidan ekstrak Astasantin. Hasil penelitian menunjukan waktu optimum untuk ekstraksi Astasantin dari tepung kulit udang dengan metode maserasi yaitu selam 5 hari. Rasio perbandingan optimum antara tepung kulit udang dengan pelarut pada proses maserasi yaitu, sebanyak 1:8 (5 gram tepung kulit udang dalam 40 mL pelarut aseton). Kemudian melakukan karakterisasi ekstrak Astasantin menggunakan Spektrofotometer UV-Vis dan Spektrofotometer Inframerah. Selanjutnya ekstrak diukur konsentrasinya menggunakan KCKT dan diuji aktivitas antioksidannya dengan metode DPPHPanjang gelombang maksimum ekstrak menggunakan Spektrofotometer UV-Vis adalah 468 nm, hal ini menjadi salah satu indikasi bahwa senyawa ekstrak yang dihasilkan berupa senyawa Astasantin. Karakterisasi spektrum inframerah menguatkan indikasi bahwa gugus fungsi yang terkandung dalam ekstrak merupakan gugus fungsi senyawa Astasantin, hal ini didukung dengan munculnya puncak pada bilangan gelombang 3369,64; 2924,09; 1712,79 dan 1620,21 cm-1. Hasil pengukuran konsentrasi ekstrak Astasantin menggunakan KCKT yaitu sebesar 7,466 ppm, sedangkan uji aktivitas antioksidan ekstrak Astasantin dengan metode DPPH memberikan nilai IC50 sebesar 338,500 ppm.
Co-Authors AFRIZAL AFRIZAL Erirska Putri Imam Santoso Rahmi Hidayati Riskiono Slamet Tamrin Taher