Estimation of an Examinee's Ability in the Web-Based Computerized Adaptive Testing Program IRT-CAT | Zendy

Yoon-Hwan Lee | Zendy; JungHo Park | Zendy; InYong Park | Zendy

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Estimation of an Examinee's Ability in the Web-Based Computerized Adaptive Testing Program IRT-CAT

Author(s) -

Yoon-Hwan Lee,

JungHo Park,

InYong Park

Publication year - 2006

Publication title -

journal of educational evaluation for health professions

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.397

H-Index - 9

ISSN - 1975-5937

DOI - 10.3352/jeehp.2006.3.4

Subject(s) - computerized adaptive testing , computer science , item response theory , estimation , information retrieval , medical physics , psychometrics , statistics , medicine , mathematics , management , economics

We developed a program to estimate an examinee s ability in order to provide freely available access to a web-based computerized adaptive testing (CAT) program. We used PHP and Java Script as the program languages, PostgresSQL as the database management system on an Apache web server and Linux as the operating system. A system which allows for user input and searching within inputted items and creates tests was constructed. We performed an ability estimation on each test based on a Rasch model and 2- or 3-parametric logistic models. Our system provides an algorithm for a web-based CAT, replacing previous personal computer-based ones, and makes it possible to estimate an examinee's ability immediately at the end of test.

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