Penelitian ini merupakan penelitian pengembangan yang bertujuan mengembangkan dan menilai kualitas bahan ajar matematika berbasis masalah untuk memfasilitasi pencapaian penalaran siswa pada pokok bahasan perbandingan yang valid, praktis dan efektif. Jenis penelitian yang digunakan adalah penelitian Research & Development (R&D) dengan mengacu pada model 4-D (Four D Models) yaitu Define, Design, Develop and Disseminate. Subjek coba dalam penelitian ini adalah siswa kelas VII6 MTsN Model Makassar dengan jumlah 40 siswa. Berdasarkan hasil uji coba terbatas yang dilakukan, diperoleh bahwa (a) hasil validasi bahan ajar adalah 4,71 pada kategori sangat valid karena setiap aspek untuk setiap jenis perangkat berada pada interval 4 ≤ ≤ 5, (b) praktis karena berdasarkan hasil pengamatan keterlaksanaan bahan ajar yang dikembangkan menunjukkan bahwa rata-rata semua komponen pengamatan keterlaksanaan adalah 1,97 dan berada pada kategori terlaksana seluruhnya (praktis) atau berada pada interval 1,5 ≤ ̅ ≤ 2, dan (c) efektif karena telah memenuhi empat kriteria yang menjadi acuan yaitu hasil belajar siswa tercapai karena 85% siswa mencapai skor 75, aktivitas siswa dikatakan ideal, karena telah memenuhi kriteria batas toleransi pencapaian waktu ideal yang digunakan, hasil rata-rata kemampuan guru mengelola pembelajaran yang diperoleh yaitu 3,83 dan berada pada kriteria tinggi dalam interval 3,5 ≤ < 4,5, dan hasil respon siswa adalah 89,25% pada kategori positif karena lebih dari 50% siswa yang memberikan respon positif. Sehingga dapat disimpulkan bahwa pada tahap uji coba terbatas dilaksanakan, bahan ajar matematika berbasis masalah telah memenuhi kriteria kevalidan, kepraktisan, dan keefektifan.
This study aims to determine students' critical thinking skills and environmental care attitudes through teaching materials based on local potential. This research was conducted at SMA Negeri 2 Labuapi for the 2021/2022 academic year. This type of research is a quasi-experimental with a population of all 111 class X students divided into 5 classes. The sampling technique used by researchers in this study was a purposive sampling technique by taking class X MIPA 1 as the experimental class, and class X MIPA 2 as the control class. Design research with a pre-test post-test control group design. The data collection techniques used were observation techniques, direct communication techniques, documentary study techniques and indirect communication techniques, namely, using essay tests for critical thinking skills and using questionnaires for environmental care attitudes. The data analysis technique used is descriptive analysis. the results of the study show that there are differences in critical thinking skills and environmental care attitudes between the experimental class that uses teaching materials based on local potential, compared to the control class that uses TCL or conventional learning models. The results of this study were taken from the results of the final ability (post-test) of students from both classes, namely the experimental class, which scored higher than the control class, which indicates that teaching materials based on local potential affect critical thinking skills and environmental care attitudes of SMA Negeri 2 Labuapi students. This can be seen from the value of the t-test results of the critical thinking ability score, namely 9.708 and the t-test of the results of the environmental care attitude value, namely 7.124 and the ttable value is 2.3226. Then tcount > ttable which means that H0 is rejected and H1 is accepted. it can be concluded that teaching materials based on local potential affect the ability to think critically and care for the environment of students.
Di lingkungan kampus terdapat beberapa slogan mengenai kebersihan, akan tetapi masih sering ditemukan mahasiswa yang membuang sampah sembarangan, sehingga para mahasiswa perlu untuk membiasakan diri menjaga kebersihan lingkungan kampus dan sekitarnya, karena kebersihan lingkungan kampus tidak bisa hanya dibebankan pada cleaning service, tetapi merupakan tanggung jawab bersama sebagai warga kampus. Pendidikan karakter menamakan dasar agar mahasiswa mampu menghormati diri sendiri dan orang lain maupun lingkungan baik di dalam kelas, di luar kelas atau di lingkungan luas di tengah masyarakat. Pengintegrasian potensi lokal pada Pendidikan karakter akan meningkatkan hasil belajar mahasiswa dan rasa rormat pada lingkungan, karena mahasiswa dapat secara langsung mengaplikasikan apa yang dipelajari pada lingkungan kampus ataupun lingkungan sekitarnya dengan menggali banyak potensi lokal yang bisa dijadikan sumber belajar dari lingkungan. Penelitian merupakan Penelitian Tindakan Kelas (PTK) terdiri dari 2 (dua) siklus dengan tahapan sebagai berikut: 1). Perencanaan, 2). Pelaksanaan, 3). Observasi dan Evaluasi, 4). Refleksi. Objek penelitian ini adalah Mahasiswa Semester 2 Program Studi Pendidikan Biologi FPMIPA IKIP Mataram. Instrumen penelitian ini berupa: Lembar observasi aktivitas mahasiswa, lembar observasi keterlaksanaan RPP, Lembar tes, dan lembar angket. Data-data yang diperoleh dianalisis secara diskriptif. Keterlaksanaan RPP siklus 1 dan siklus 2 mencapai 100% dengan kategori sangat baik, sedangkan aktivitas mahasiswa pada siklus 1 mencapa1 85% dengan kategori baik dan meningkat pada siklus 2 mencapai 90% dengan kategori sangat baik. Evaluasi pembelajaran pada penelitian ini dilakukan setiap akhir siklus untuk memperoleh data tentang hasil belajar mahasiswa dan rasa hormat/kepedulian mahasiswa pada lingkungan kampus. Hasil belajar mahasiswa pada siklus 1 mencapai KK 82%, dan meningkat pada siklus 2 mencapai KK 89%. Berdasarkan hasil analisis angket diperoleh bahwa rasa hormat/kepedulian mahasiswa pada lingkungan kampus mencapai 85% dengan kategori tinggi dan meningkat mencapai 95% dengan kategori sangat tinggi. Kesimpulan: Pengintegrasian potensi lokal pada mata kuliah Pendidikan karakter dapat meningkatkan hasil belajar dan rasa hormat mahasiswa pada lingkungan.
This research aims at (1) describing students' environmental knowledge based on local potency in West Nusa Tenggara Province, (2) analyzing students' environmental knowledge in terms of gender, and (3) analyzing students' environmental knowledge in term of level or grade. This survey research is analyzed descriptively and inferentially using t test. The subjects consisted of 431 Senior High School students around West Nusa Tenggara Province. The research instrument uses questionnaire consisting of 5 positive and negative statements with 4 scales namely Strongly Agree (SS), Agree (S), Disagree (TS), and Strongly Disagree (STS). The results showed that (1) there were 27.3% of students who had environmental knowledge in the low category, 40.6% sufficient category and 32% high category, (2) there was a different value of environmental care between male and female students (Sig<.05) in the mean score of 70.21 and 66 respectively; and (3) there was a different in the environmental care scores of students in grades 10 and 11 (Sig<.01) in the average of 73.09 and 64.45. Thus, the findings indicate the importance of introducing local potency based on environmental insights to increase students' environmental knowledge.
This study aims to describe the commognitive analysis of the solving problem of logarithm on college students of Mathematics. This type of research is a qualitative description. The research subjects were three college students of Mathematics Education from Universitas Madura. The instruments used in this study were mathematical problem sheets and semi-structured interviews. The results of this study show that college students have many differences in working or mistake in mathematics problem-solving. In the word use or use precise words to inform the comprehension, the students have differences in writing base, degree of the numeral, or other symbols. In the visual mediators or use of precise object or media, the students have differences in the premise of working logarithm. In the narratives, students have differences in solving the problem systematically based on comprehension of logarithm form. In the routines, students have differences in understanding the basic concept of logarithmic characteristics.
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