National Taichung University of Education / Graduate Institute of Educational Measurement, Taichung, Taiwan

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Abstract—The main purpose of this research is to computerize GSP chart and Rasch GSP methods. GSP chart and Rasch GSP are effective and useful methods which used for analyzing and evaluating academic achievement. GSP chart provides information for diagnosing the learning status of students and the quality of questions while Rasch GSP provides information for assessing the quality of classes and test quality. Therefore, this research has constructed Rasch GSP toolbox that is a support tool for teachers and researchers in using and studying GSP chart and Rasch GSP methods. The research has also proposed a number of improvements in Rasch GSP method and made supplements in order to increase the application range of the toolbox. Through specific examples, the ways of using this toolbox and applying Rasch GSP method are explained in detail in this paper. Rasch GSP toolbox can quickly calculate and give exact results for users, beside, GSP graphs and Rasch GSP graphs are also presented clearly. Hence, it helps users easily view the visual image of assessment result. In addition, a graphical user interface (GUI) is also designed to be easy for use. In practice, many researches that applied Rasch GSP toolbox have showed that it is a useful evaluation tool. It not only can supply big support to researchers in their research process but also can provide feedbacks about teaching and learning to teachers and students. So students can make reasonable adjustments for learning activity and teachers have an effective reference for learning guidance.

Index Terms—Academic assessment, GRA, GSP chart, MATLAB, Rasch GSP, S-P chart.

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Cite: Wei T. Sheu, Hieu D. Pham, Pin C. Tsai, Tuyen P. Nguyen, Hai P. Nguyen, Masatake Nagai, "Rasch GSP Toolbox for Assessing Academic Achievement," Journal of Software vol. 9, no. 7, pp. 1903-1913, 2014.