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Introduction Item Characteristic Curve (ICC) is a graphical representation of relationship between the probability of correct P(θ) response and a test takers ability (θ). It is used to evaluate the
Introduction of Item Analysis Item analysis is the statistical process used in test development to evaluate the effectiveness and quality of individual items (questions) within a test. Item Difficulty indicated
Introduction Psychological test construction involves several key steps designed to ensure that the test accurately measures the targeted psychological traits or behaviours. Kaplan and Saccuzzo (2005) defined a psychological test