Equating test instruments using anchor to map student abilities through the R program analysis

Elvira, Melly ORCID: https://orcid.org/0000-0001-6047-5348 and Sainuddin, Syamsir ORCID: https://orcid.org/0000-0002-2783-0181 (2021) Equating test instruments using anchor to map student abilities through the R program analysis. Presented at The International Conference on Engineering, Technology and Social Science (ICONETOS 2020), 31 Oct 2020, Malang, Indonesia.

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Abstract

This study aims at investigating the equivalence of mathematics try out scores of junior high school through anchor. In the study, the 2 Parameters Logistic (2PL) model of Item Response Theory (IRT) analysis was used through the Haebara method. The estimation step of the equating parameter utilized the equateIRT package in the R program. The results show that the relationship between try out questions of package 1 and package 2 cannot be said to be equivalent. After analyzing and calculating the regression equation, it can be concluded that package 2 of Mathematics National Examination (MNE) try out questions has a higher level of difficulty than package 1. Equating package 1 to package 2* through the Haebara method for the 2 PL model will provide equal or fair scores for the test takers who work on package 1 and package 2. The samples of questions were taken from MNE questions distributed in Makassar in 2014 which consisted of 2 question packages. Question package 1 was responded to by 2099 students, while question package 2 was responded to by 2068 students. The equating design used was a common item design. With the equating made, in the future, the test takers’ ability can be detected properly if they work on similar tests, even though test packages are relatively different.

Item Type:	Conference (Speech)
Keywords:	Test Equating, Haebara Method, R Program, Student Ability
Subjects:	16 STUDIES IN HUMAN SOCIETY > 1607 Social Work > 160703 Social Program Evaluation 16 STUDIES IN HUMAN SOCIETY > 1608 Sociology > 160801 Applied Sociology, Program Evaluation and Social Impact Assessment 17 PSYCHOLOGY AND COGNITIVE SCIENCES > 1701 Psychology > 170113 Social and Community Psychology
Divisions:	Faculty of Tarbiyah and Teaching Training > Department of Islamic Early Childhood Education
Depositing User:	Melly Elvira
Date Deposited:	19 Jul 2021 08:49

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