Data Visualizations for Polytomous Items
Authors
-
National Council of State Boards of Nursing, 111 E. Wacker Dr, Suite 2900, Chicago, IL 60601
Joe Betts -
National Council of State Boards of Nursing, 111 E. Wacker Dr, Suite 2900, Chicago, IL 60601 William Muntean
Keywords:
Polytomous Model; Data Visualizations; Data AnalysisAbstract
The use of polytomous items for operational exams is continuing to spread due to the growing utilization of innovative and technology-enhanced items with computer-based testing. While much is known and many common methods are available for providing feedback to test development professionals e.g., psychometricians, content matter experts, etc, there has not been a widespread discussion of useful methods for providing feedback for polytomous items. This research provides a starting point for investigating the use of data visualizations to provide effective and efficient statistical information for all levels of test development professionals. All visualisations can be developed with commonly used programming languages and dashboard methodologies.
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References
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