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Journal : JIPF (Jurnal Ilmu Pendidikan Fisika)

Improving Students’ Conceptual Mastery on Digital Circuit Topic Using Electronics Workbench Software Islahudin Islahudin; Soeharto Soeharto
JIPF (Jurnal Ilmu Pendidikan Fisika) Vol 5, No 1 (2020): January 2020
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jipf.v5i1.1127

Abstract

This study aims at improving the comprehension of digital circuit’s concept by utilizing the electronic workbench software on the students of Physics Education Program, Muhammadiyah University of Mataram. The numbers of samples were 14 students who took Basic Electronics II course. The research design was Classroom Action Research. The study was conducted in two cycles. Each cycle consists of four stages of activity, namely Planning, Acting, Observing, and Reflecting. Technique of data analysis to determine the improvement of concept mastery in cycle 1 and cycle 2 was using the t-test formula. The results of data analysis obtained the classical passing grade in cycle 1 was 57.14 % and cycle 2 was 85.71%, so that the action was completed in cycle 2. The improvement in learning outcomes was included in the significant category because the t-test on the average of cycle 1 and cycle 2 showed the value of t calculation (= 2.41297)> t distribution (= 2.145) so that H0 < Ha. Based on the results of this study it can be concluded that the use of electronics workbench software can improve the mastery of digital circuit’s concept on the students of Physics Education Program, Muhammadiyah University of Mataram.
Developing Two Tier Test of Critical Thinking Ability using Rasch Model Novika Lestari; Chairun Nisa; Mutazam Mutazam; Soeharto Soeharto
JIPF (Jurnal Ilmu Pendidikan Fisika) Vol 8, No 2 (2023): May 2023
Publisher : STKIP Singkawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26737/jipf.v8i2.3737

Abstract

Critical thinking ability refers to cognitive processes to solve problems so that students are able to relate learning to everyday life. This achievement needs to be measured with valid and reliable instruments. Therefore, the research was conducted with the aim of characterizing the critical thinking test type two tier tests using the Rasch model. This study used a construction design and test validation. The construction process resulted in a critical thinking test of the two-tier type in the form of multiple choice on physics material for class X semester 1 which measured three basic aspects of critical thinking. The validation procedure was based on a trial exam taken by 146 students in Melawi Regency and a test evaluation by two experts. The findings demonstrated that the Aiken's V content validity analysis and the analysis utilizing item response theory both supported the validity of the critical thinking test. The analysis's findings demonstrated the validity and reliability of this test of critical thinking. The 23 created questions were found to be valid based on the results of the content validity test utilizing Aiken V. This test's empirical validity demonstrates that every item has a good level of difficulty and meets the Rasch model. The physics material used in the designed critical thinking test for class X semester 1 was valid, dependable, and had a good level of difficulty.