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Total Score is defined with the number of those correctly-responded (dichotomous) items; Sub-score is defined as the total score associated with the sub-scale; Overall Score is defined as the...
11 July 2019 3,814 2 View
This is the third section of Items Decomposition: How to structure the Scores and Items. This section describes, using the graphical representation, how the score associated with all items in a...
08 June 2018 9,199 4 View
In practice, IRT (2PL/3PL) and Total Score may not be consistent. In case that, for two examinees, say S1 and S2, there are IRT ability (S1) > IRT ability (S2) Total...
01 January 1970 2,974 17 View
The theta parameter (latent variable) in Item Response Theory (IRT) is not a measure for test-takers' ability although it may be positively correlated to the test-takers' ability. Lets start with...
01 January 1970 10,011 7 View
The theta parameter (latent variable) in Item Response Theory (IRT) is not a measure for tester-takers' ability although it may be positively correlated to the test-takers' ability? The comment...
01 January 1970 5,290 2 View
"When in 1940, a committee established by the British Association for the Advancement of Science to consider and report upon the possibility of quantitative estimates of sensory events published...
01 January 1970 10,027 4 View
Testing item is not only associated with a difficulty level, but also associated with an importance level. Therefore, an item with high difficult level may or may not be of high importance level....
01 January 1970 6,197 0 View
In the article An entropy-based measure of dependencebetween two groups of random variables, the K-dependence coefficient ordependence coefficient is defined with entropy and conditional entropy...
01 January 1970 9,421 0 View
