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Using the rasch model to validate electricity and magnetism achievement test items
Rahmawati (a,b*), N Y Rustaman (b), I Hamidah (b), D Rusdiana (b)

a) Program Studi Pendidikan Fisika, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Muhammadiyah Makassar, Jl. Sultan Alauddin No. 259, Makassar 90222, Indonesia
b) Program Studi Pendidikan IPA, Sekolah Pascasarjana, Universitas Pendidikan Indonesia, Jl. Dr. Setiabudi No. 229, Bandung 40154, Indonesia


Abstract

One of the ways that can be used to validate test items is by Rasch Model application. Validation aspects used in this research consist five aspects, such as (1) item measure, (2) item fit, (3) differential items, (4) person measure, and (5) person fit. The test was given in the form of multiple choice as many as 40 items consisting of 23 items about electricity and 17 items about magnetism. The participants were 60 physics students who were given 60 minutes to do the test. Items was analyzed using WINSTEPS version 3.68.2. The results showed that the test items are valid. Reliability alpha of items is 0.90. It means that the quality of test items is very good.

Keywords: Validation, Rasch Model, Electricity and Magnetism Achievement Test

Topic: Physics Education

Link: https://ifory.id/abstract/WkQVuvDxJUfE

Conference: Mathematics, Science and Computer Science Education International Seminar (MSCEIS 2019)

Plain Format | Corresponding Author (Rahmawati -)

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