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Journal : Variabel

Pengembangan Tes Diagnostik Menggunakan Model Teslet untuk Mengidentifikasi Kesulitan Belajar Peserta didik SMA pada Materi Momentum dan Impuls Fenny Trinovitasari; Haratua Tiur Maria S.; Muhammad Musa Syarif Hidayatullah
Variabel Vol 5, No 2 (2022): OCTOBER 2022
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v5i2.3091

Abstract

Penelitian ini bertujuan menghasilkan tes diagnostik menggunakan model teslet pada materi momentum dan impuls untuk mengidentifikasi kesulitan belajar peserta didik SMA Negeri di Pontianak. Secara khusus bertujuan untuk: (1) mengidentifikasi karakteristik butir tes diagnostik menggunakan model teslet disusun pada materi momentum dan impuls. (2) mengetahui kelayakan tes diagnostik menggunakan model teslet pada materi momentum dan impuls. Penelitian ini merupakan penelitian dan pengembangan (Research and Development) dikembangkan dengan model Four-D menggunakan 9 langkah pengembangan tes diagnostik menurut Mardapi. Tes tediri dari 12 soal pokok yang masing-masing terdiri dari 3 subsoal, total keseluruhan 36 soal. Data kualitatif didapatkan dari validasi tim ahli yang merupakan guru mata pelajaran fisika dan dosen Pendidikan Fisika FKIP UNTAN. Uji skala kecil dengan subjek peserta didik kelas XI IPA 6 SMA Negeri 3 melibatkan 23 peserta didik, dan uji skala besar di kelas XI IPA 3 SMA Negeri 3, XI IPA 1 SMA Negeri 7, dan XI IPA 1 SMA Negeri 5 melibatkan 98 peserta didik. Karakteristik yang digunakan adalah karakteristik menurut Sutrisno. Berdasarkan analisis data, didapat tes diagnostik yang dikembangkan dengan model teslet dapat digunakan untuk mengidentifikasi kesulitan belajar peserta didik, yaitu: (1) tingkat validitas isi tinggi sebesar 0,94, (2) validitas butir soal lebih dari 0,413 dan 0,195 dengan jumlah soal valid sebanyak 36 soal, (3) reliabilitas tinggi sebesar 0,893, (4) tingkat kesukaran soal kategori sedang, (5) soal dibuat dengan bahasa yang sederhana dengan tingkat keterbacaan 7,05, sehingga soal yang dapat digunakan sebanyak 36 soal.Kata Kunci: Kesulitan Belajar; Tes Diagnostik; Teslet; Momentum dan ImpulsDevelopment of Diagnostic Tests Using Teslet Models to Identify High School Students' Learning Difficulties on Momentum and ImpulseABSTRACTThis study aims to produce diagnostic tests using a teslet model on momentum and impulse to identify learning difficulties for state high school students in Pontianak. It specifically aims to: (1) identify the characteristics of diagnostic test items using a teslet model composed on momentum and impulse materials. (2) knowing the feasibility of diagnostic tests using a teslet model on momentum and impulse materials. This research was a research and development developed with the Four-D model using 9 steps of diagnostic test development according to Mardapi. The test consisted of 12 main questions, each consisting of 3 sub-questions, a total of 36 questions. Qualitative data was obtained from the validation of a team of experts who are physics teachers and lecturers of Physics Education FKIP UNTAN. The small-scale test with the subjects of class XI science 6 SMA Negeri 3 students involved 23 students, and the large-scale test in class XI IPA 3 SMA Negeri 3, XI IPA 1 SMA Negeri 7, and XI IPA 1 SMA Negeri 5 involved 98 students. The characteristics used were those according to Sutrisno. Based on data analysis, diagnostic tests developed with a teslet model could be used to identify students' learning difficulties, namely: (1) a high content validity level of 0.94, (2) the validity of question items of more than 0.413 and 0.195 with a total of 36 valid questions, (3) high reliability of 0.893, (4) difficulty level of medium category questions, (5) questions made in simple language with a readability level of 7.05, so that the questions that could be used were as many as 36 questions.
Deskripsi Miskonsepsi Siswa tentang Materi Mekanika Menggunakan Four-Tier Diagnostic Test Hidayatullah, Muhammad Musa Syarif; Silitonga, Haratua Tiur Maria; Habellia, Ray Chintiya
Variabel Vol 7, No 2 (2024): OCTOBER 2024
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/var.v7i2.6240

Abstract

Penelitian ini bertujuan untuk mendeskripsikan miskonsepsi siswa pada materi mekanika menggunakan four-tier diagnostic test. Penelitian ini bersifat deskriptif dengan desain studi kasus. Subjek penelitian berjumlah 342 orang siswa SMA kelas X di kalimantan barat. Instrumen four-tier diagnostic test yang digunakan berbentuk pilihan ganda dengan penalaran tertutup dan berjumlah 40 nomor soal. Data miskonsepsi diperoleh dengan mengelompokkan ke dalam 4 kategori, sesuai konsep sains, kurang pengetahuan, false negatif, false positive dan miskonsepsi. Selanjutnya miskonsepsi tiap submateri dan tiap item dianalisis kemudian dipersentasekan ke dalam kategori tinggi, sedang dan rendah. Hasil penelitian ini menunjukkan bahwa siswa mengalami miskonsepsi sebesar 30,4% pada submateri gerak lurus (kategori sedang), gerak melingkar sebesar 28,3% (kategori rendah), gerak parabola sebesar 19,4% (kategori rendah), hukum-hukum Newton sebesar 17,3% (kategori rendah), serta usaha dan energi sebesar 22.1% (kategori rendah). Akan tetapi, terdapat data yang menunjukkan miskonsepsi tinggi pada salah satu item soal gerak lurus beraturan dengan persentase sebesar 54,67% yaitu menjelaskan grafik posisi dan waktu gerak lurus.Kata Kunci: Four-Tier Diagnostic Test; Mekanika; Miskonsepsi Description of Students' Misconceptions about Mechanics Material Using the Four-Tier Diagnostic TestABSTRACTThis study aims to describe students' misconceptions in mechanics material using a four-tier diagnostic test. This study was descriptive with a case study design. The subjects of the study were 342 high school students in grade X in West Kalimantan. The four-tier diagnostic test instrument used was in the form of multiple choices with closed reasoning and consisted of 40 questions. Misconception data were obtained by grouping them into 4 categories, according to the concept of science, lack of knowledge, false negative, false positive and misconception. Furthermore, the misconceptions of each sub-material and each item were analysed and then presented as a percentage into high, medium, and low categories. The results of this study indicated that students experienced misconceptions of 30.4% in the sub-material of straight motion (medium category), circular motion of 28.3% (low category), parabolic motion of 19.4% (low category), Newton's laws of 17.3% (low category), and work and energy of 22.1% (low category). However, there was data that showed a high level of misconception in one of the questions on uniform straight motion with a percentage of 54.67%, namely explaining the position and time graphs of straight motion.