Student repeatedly have difficulties in understanding complex physics concepts, such as fluid dynamic concept. It is occurred because the students’ conceptual understanding is low, thus indicating a low student mental model. The study aims to describe the students’ conceptual understanding levels on fluid dynamic using four-tier diagnostic test. A four-tier diagnostic test is a multiple-choice diagnostic test that have four tiers consist of answer tier, confidence ratings for the answer tier, and reason tier. The instrument test utilized to describe students’ conceptual understanding level regarding to the mental models. This research uses a descriptive-quantitative method. The data were analyzed using the four-tier diagnostic test rubrics that were used in related literature to analysis students’ conceptual understanding levels. The subject of this study is 24 students in the eleventh grade (16-17 age in average) at high school in Bandung. The results show that students’ conceptual understanding levels mostly in sound understanding/SU (35,27%), partial understanding/PU (42,91%), alternative understanding/AC (17,82%) and no understanding/NU (4%), Based on the result, four-tier test is able to use for investigating conceptual understanding levels.
Abstract— The ubiquity of technology offers promising benefits of its integration in educational sector. Yet, little is known about the rationale underlying teachers’ decisions concerning their educational uses within the constraints of daily classroom practice. This study aims at exploring teach-rs’ consideration in choosing certain technology tools in the context of technology-integrated lesson design activities. Data were obtained through a focus group discussion during the lesson design which was followed by a semi structured interview. Findings for this study have enhanced the under-standing of some aspects that teachers put into consideration while designing technology-integrated lessons; identifying goals, analyzing learners, planning instructional activities, and choosing the technology tools. In addition, the findings of this study also postulate that during the lesson design activities, teachers need to be triggered by some cognitive prompts in order to sup-port them making some decision on the learning objectives, the stag-es of activities, and the technology tools they need to integrate.
Pendidikan matematika realistik adalah salah satu alternative pendekatan pembelajaran yang dapat dipilih untuk meningkatkan hasil belajar, karena pendekatan ini akan mampu menjembatani proses pembelajaran matematika yang abstrak menjadi mudah dan terasa manfaatnya. Penelitian ini bertujuan untuk menghasilkan gambaran pelaksanaan pembelajaran matematika untuk anak usia dini dengan menggunakan pendekatan PMR. Jenis penelitian yang digunakan adalah Penelitian Tindakan Kelas model siklus dari Jean McNiff. Hasil penelitian menunjukkan (1) Aktivitas belajar pemahaman konsep bilangan dan pembelajarannya di PAUD selama menggunakan PMR di PGPAUD UPI Kampus Purwakarta terkategori baik sekali, yang diperlihatkan oleh hasil pengamatan berkategori baik sekali (88% kategori A) dan (2) Hasil belajar pemahaman konsep bilangan dan pembelajarannya di PAUD sesudah menggunakan PMR mengalami kemajuan yang sangat baik, yang diperlihatkan pada pengerjaan lembar tugas dijawab dengan benar.
Matematika tumbuh dan berkembang dari kehidupan sehari-hari, karena itu belajar matematika harus dapat dikaitkan dalam kehidupan nyata. PMR dapat menjembatani sifat matematika yang abstrak menjadi lebih nyata dan terasa manfaatnya. Penelitian ini bertujuan untuk melihat pengaruh pendekatan PMR terhadap peningkatkan kemampuan koneksi matematika siswa Pendidikan Anak Usia Dini. Metode penelitian yang digunakan adalah eksperimen dalam model Penelitian Subjek Tunggal dengan dua sampel. Disain yang digunakan adalah model A-B-A’ pada aspek perkembangan kognitif matematika. Hasil penelitian adalah: (1) Kedua subjek sebelum adanya perlakuan menunjukkan kemampuan koneksi matematika yang rendah; (2) Kegiatan pembelajaran dengan pendekatan PMR efektif untuk meningkatkan kemampuan koneksi matematika subjek penelitian; dan (3) Kondisi kedua subjek setelah diberikan pendekatan Pendidikan Matematika Realistik (PMR) menunjukkan kemampuan koneksi matematika berada pada kategori sangat baik. Secara umum dapat disimpulkan bahwa PMR telah berkontribusi dalam peningkatan hasil belajar siswa dan menjadikan pembelajaran lebih bermakna
Realistic Mathematics Education (RME) is appropriate for basic education. It bridges abstract to concrete and useful Mathematics. RME emphasizes the importance of real contexts familiar to students and the process of constructing them. This study aims to determine the effect of RME on the ability of basic mathematical skills. The method used is Single Subject Research model experiment with two samples in the A-B-A' design. The results of the study: (1) The subjects before the treatment showed low basic mathematical abilities; (2) Learning activities with the RME approach are effective for improving basic math skills; and (3) the condition of the subjects after being given RME approach is in very good category. It can be concluded that RME has contributed to improve student learning outcomes and make learning more meaningful as learning is always associated and relevant with the reality of children's lives through selected themes.
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