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All Journal Jurnal Riset dan Kajian Pendidikan Fisika JPF : JURNAL PENDIDIKAN FISIKA Media Eksakta
Nurjannah, Nurjannah
Program Studi Pendidikan Fisika, Universitas Tadulako
Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Education Mathematics Physics Other

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Journal : Media Eksakta

 1 
PENGARUH STRATEGI ROTATING TRIO EXCHANGE DALAM PEMBELAJARAN AKTIF TERHADAP PEMAHAMAN KONSEP FISIKA PADA SISWA KELAS VIII SMP NEGERI 13 PALU Nurjannah Nurjannah; Amiruddin Kade; Muhammad Jarnawi
Media Eksakta Vol 16 No 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (212.332 KB) | DOI: 10.22487/me.v16i1.723

Abstract

Penelitian ini bertujuan untuk menguji adanya pengaruh strategi rotating trio exchange dalam model pembelajaran aktif terhadap pemahaman konsep fisika pada siswa kelas VIII SMP Negeri 13 Palu. Jenis penelitian yang digunakan yaitu eksperimen kuasi dengan desain “The Equivalent Pretest-Posttest Design”. Sampel dipilih menggunakan teknik purposive sampling. Kelas VIII C sebagai kelas eksperimen dan kelas VIII D sebagai kelas kontrol. Instrumen yang digunakan berupa tes pemahaan konsep fisika dalam bentuk esai yang telah divalidasi oleh ahli. Berdasarkan hasil pengolahan data, diperoleh rerata skor pretest pemahaman konsep fisika siswa kelas eksperimen adalah 12,86 dengan standar deviasi 2,44, untuk rerata skor posttest adalah 20,77 dengan standar deviasi 2,49. Untuk kelas kontrol diperoleh rerata skor pretest 12,68 dengan standar deviasi 2,03, sedangkan untuk rerata skor posttest adalah 18,04 dengan standar deviasi 2,38. Analisis data dilakukan dengan teknik statistik uji-t dua pihak dengan taraf signifikan α=0,05. Diperoleh  nilai hasil thitung = 2,77 dan ttabel = 2,02. Ini berarti bahwa nilai thitung  berada diluar daerah penerimaan Ho. Hasil ini menunjukkan ada perbedaan antara kelas eksperimen dan kelas kontrol. Dengan demikian dapat disimpulkan bahwa, terdapat pengaruh strategi rotating trio exchange dalam pembelajaran aktif terhadap pemahaman konsep fisika pada siswa kelas VIII SMP Negeri 13 Palu.
Instrumen Gaya Berpikir: Membantu Adaptasi Kognitif dalam Penyelesaian Masalah Fisika Haeruddin Haeruddin; Jusman Jusman; Nurjannah Nurjannah; Muhammad Zaky
Media Eksakta Vol 19 No 1 (2023)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/me.v19i1.3484

Abstract

This study aims to develop an instrument to measure thinking styles and their impact on cognitive adaptation in the context of physics problem solving. Understanding how individuals approach and solve physics problems can provide valuable insights into cognitive processes and strategies used. The instrument consists of various tasks designed to depict different thinking styles commonly employed in physics problem solving. These thinking styles include concrete sequential (CS), abstract sequential (AS), concrete random (CR), and abstract random (AR) thinking styles. This research follows the Research and Development (R&D) model. The development model used is the non-test instrument development model. The instrument utilizes a forced-choice model by asking respondents to determine the order of statements that best align with their condition when solving physics problems. The instrument provides four options ranging from very inappropriate to very appropriate. A total of 683 first-year students at Universitas Tadulako participated in the pilot study, and 364 in the implementation study. The expert judgment data analysis technique used the Aiken's formula. Empirical data analysis was conducted using the Ques program to test goodness of fit to the Partial Credit Model (PCM), item validity, and instrument reliability. The content validity result showed an Aiken's V value of .81, and the test reliability was .90. The average infit MNSQ value was 1.00 with a standard deviation of .18. This study found that physics education students at Universitas Tadulako tend to have an abstract sequential (AS) thinking style. The implications of these findings can be utilized to measure students' thinking style tendencies when solving physics problems.
Co-Authors Amiruddin Kade Haeruddin Haeruddin Haeruddin Haeruddin Haeruddin, Haeruddin Jusman Jusman Khuzaimah, Andi Ulfah Muhammad Jarnawi Muhammad Zaky Sani, Nurul Kami Supriyadi, Supriyadi