Orbital: Jurnal Pendidikan Kimia
Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia

Analisis Item Soal Kimia SMA Menggunakan Rasch Model

Rina Ika Octaviana (Universitas Negeri Medan)
Muhammad Burhan Anggara (Universitas Negeri Medan)
Rayhan Jamilah (Universitas Negeri Medan)
Ayi Darmana (Universitas Negeri Medan)
Retno Dwi Suyanti (Universitas Negeri Medan)



Article Info

Publish Date
25 Jun 2022

Abstract

Assessment is a technique for evaluating student learning outcomes and deciding whether or not the learning objectives have been achieved. This study aims to determine the validity, reliability, and difficulty level of the tested items. The data collection technique used a documentation technique in the form of an answer sheet for the odd semester final exam for the 2021/2022 academic year for class XI at SMAS Al-Amjad Medan with a total of 222 respondents, and the form of the question was 45 multiple-choice questions (dichotomies) with five categories of answers. The Rasch model is used to obtain fit items. This analysis was carried out with the help of Winsteps software version 3.7.3. Based on the results of the analysis of the results of the item analysis using the Rasch model, the following conclusions can be drawn: in terms of validity, the questions consist of 86,67% valid and 13,33% invalid; Cronbach's alpha value of 0,95 in the very good category, the Person Reliability value is 0,93, which is included in the excellent category; the Item Reliability value is 0,95 in the special category; the distribution of the difficulty level of the item items is by the rules for making questions because 8 items (17,78%) are in the very difficult category, 9 items are about (20%) are in the difficult category, 23 items are about (51,11%) are in the easy category and 5 items (11,11%) in the very easy category.

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Journal Info

Abbrev

orbital

Publisher

Subject

Chemistry Education

Description

The current issue of Orbital: Jurnal Pendidikan Kimia contains five articles coverings topics related to chemistry and chemistry education which include study of chemical literacy capabilities, Think-Talk-Write learning strategy, cooperative learning model, metal content and pH analysis of river ...