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All Journal Jurnal Ilmiah Pendidikan Fisika Online Learning in Educational Research
Ahmad Zulkarnain Zain
Universitas Pendidikan Indonesia
Education Physics

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Karakterisasi Instrumen Tes Keterampilan Bepikir Kreatif Berdasarkan Analisis Partial Credit Model Ahmad Zulkarnain Zain; Taufik Ramlan Ramalis; Muslim Muslim
Jurnal Ilmiah Pendidikan Fisika Vol 6, No 1 (2022)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jipf.v6i1.4806

Abstract

Penelitian ini bertujuan untuk mengonstruksi dan mengarakterisasi instrumen tes Keterampilan Berpikir Kreatif (KBK) menggunakan Teori Respon Butir (TRB) yakni dengan Partial Credit Model (PCM). Metode yang digunakan adalah mixed method menggunakan exploratory sequential design. Pada proses konstruksi dihasilkan instrumen tes uraian yang mengukur aspek fluency, flexibility, originality dan elaboration. Hasil validasi isi menunjukkan 83,3% soal dikatakan sangat valid dan 16,7% valid. Hasil analisis dengan PCM menunjukkan bahwa seluruh butir soal valid. Pada uji reliabilitas, instrumen tes KBK memiliki nilai puncak fungsi informasi sebesar 6,7938 dan SEM  (Standard Error of Measurement) sebesar 0,3837 dengan perpotongan antara kurva menunjukkan instrumen bersifat reliabel. Dari hasil analisis tingkat kesukaran diperoleh butir soal 1-6 memiliki rentang kesulitan mudah-sedang. Seluruh butir soal memiliki nilai daya beda 1 yang artinya dalam kategori baik sekali. Berdasarkan hasil validasi ahli dan karakteristik tes, seluruh butir soal dalam instrumen tes layak digunakan. Instrumen Tes KBK dalam penelitian ini diharapkan dapat digunakan untuk mengukur keterampilan berpikir kreatif dalam materi alat optik untuk siswa SMA. This research aims to construct and characterize the Creative Thinking test instrument using Item Response Theory, namely the Partial Credit Model (PCM). The method used is a mixed-method using an exploratory sequential design. In the construction process, a description test instrument is produced that measures the aspects of fluency, flexibility, originality and elaboration. The results of content validation show that 83.3% of the questions are said to be very valid, and 16.7% are valid. The results of the analysis with PCM show that all items are valid. In the reliability test, the KBK test instrument has a peak value of the information function of 6.7938 and SEM (Standard Error of Measurement) of 0.3837 with the intersection between the two curves in the range -1.8 to 1.3 so that the question is reliable. From the analysis results of the level of difficulty, items 1-6 have an easy-medium difficulty range. All items have a different power value of 1 which means they are in the very good category. Based on the results of expert validation and test characteristics, all items in the test instrument are suitable for use. 
Diagnostic Instrument Test of Renewable Energy Topics: Analysis of Conceptual Change Students Using the Rasch Approach Ahmad Zulkarnain Zain; Achmad Samsudin; Lilik Hasanah
Online Learning In Educational Research (OLER) Vol. 5 No. 2 (2025): Online Learning in Educational Research
Publisher : CV FOUNDAE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58524/oler.v5i2.675

Abstract

The learning of students about abstract physics concepts faces multiple hurdles, which can result in misconceptions. Considering this problem, the present research intends to analyze students' misconception changes through a diagnostic tool based on the issue of renewable energy using the Rasch analysis methods. The Renewable Energy Topic Diagnostic Instrument (DITRET) was created with the ADDIE development model, which consists of five stages: analysis, design, development, implementation, and evaluation. The subjects of the study were 30 high school students aged 17 years (9 boys and 21 girls). DITRET has 20 components with four hierarchical stages for each item. During the analysis stage, students’ responses are classified into categories, and conceptual scores are then computed in the Rasch framework. The results showed that DITRET has strong reliability and validity in estimating students’ understanding of renewable energy. With some minor adjustments, this instrument can identify students’ conceptual changes and diagnose misconceptions on other physics topics. The research findings enhance the available literature, providing valid and reliable tools to measure, detect, and resolve misconceptions in the concept of renewable energy
Co-Authors Achmad Samsudin Lilik Hasanah Muslim Muslim Taufik Ramlan amalis