SAP (Susunan Artikel Pendidikan)
Vol 2, No 2 (2017): SAP

Kestabilan Estimasi Parameter Kemampuan pada Model Logistik Item Response Theory Ditinjau dari Panjang Tes

Ilham Falani (Universitas Indraprasta PGRI)
Siti Ayu Kumala (Universitas Indraprasta PGRI)

Article Info

Publish Date
05 Dec 2017

Abstract

This study aims to test the stability of ability parameter estimation of Logistic Parameter ItemResponse Theory (IRT) model based on the length of test used. Logistic Parameter Model used in thisresearch is 2 Logistic Parameter (2PL) Model. The data used are simulation data generated by usingWingen software, with sample size of 1000 participants with variation of test length used is 20, 40, and60. The estimation is then made for each length of the test by using Wingen software with replicationsfor 10 times. Based on the results of the analysis on the estimation results, it can be seen that thelonger the test is used, the more accurate estimation of ability parameter of 2PL model is.

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Journal Info
SAP (Susunan Artikel Pendidikan)
Website

Abbrev

SAP

Publisher

Universitas Indraprasta PGRI

Subject

Education

Description

SAP (Susunan Artike Pendidikan) Jurnal ilmiah bidang ilmu pendidikan (ISSN 2549-2845 for electronic version and ISSN 2527-967X for print version) First published in Agustus 2016 is a peer-reviewed scientific open access journal. The journal is dedicated to publishing articles concerned with ...