Open Access. Powered by Scholars. Published by Universities.®

Education Commons

Open Access. Powered by Scholars. Published by Universities.®

Articles 1 - 3 of 3

Full-Text Articles in Education

Evaluation Of Test Delivery Mode (Paper-Based And Computer-Based) Effects In A University Generic Skills Test, Van Nguyen, Joyce Hong Dec 2012

Evaluation Of Test Delivery Mode (Paper-Based And Computer-Based) Effects In A University Generic Skills Test, Van Nguyen, Joyce Hong

Dr Van Nguyen

No abstract provided.


South Africa And Uae Student Performance Progression In Ibt Mathematics And Science, Van Nguyen Jun 2012

South Africa And Uae Student Performance Progression In Ibt Mathematics And Science, Van Nguyen

Dr Van Nguyen

No abstract provided.


Investigating Item Difficulty Change By Item Positions Under The Rasch Model, Luc T. Le, Van Nguyen Apr 2011

Investigating Item Difficulty Change By Item Positions Under The Rasch Model, Luc T. Le, Van Nguyen

Dr Van Nguyen

In operational testing programs using item response theory (IRT), item parameter invariance is one of essential requirements in common item equating designs. However, in practice, the stability of item parameters can be affected by many factors. Particularly, this study utilised data from the large-scale Graduate Skills Assessment (GSA) in 2010 to investigate the change of Rasch item difficulty by item positions. The test included 78 multiple-choice items and was presented in eight test forms by arranging the items in different orders. Items addressed three components of generic skills: Critical Thinking, Problem Solving and Interpersonal Understandings. Each test form was randomly ...