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10 Reasons Why Practice Tests Help Make Perfect Exams
Explore 10 reasons why providing a mock version of an exam will improve your assessment program and benefit all stakeholders.
10 Reasons Why Practice Tests Help Make Perfect Exams
Item Analysis – Differential Item Functioning (DIF)
Item Analysis – Differential Item Functioning (DIF)Item Analysis Report – High-Low Discrimination
In our discussion about correlational item discrimination, I mentioned that there are several other ways to quantify discrimination. One of the simpl…
Item Analysis Report – High-Low Discrimination
Item Analysis Report – Item-Total Correlation Discrimination
Item Analysis Report – Item-Total Correlation DiscriminationItem Analysis Report – Item Difficulty Index
In classical test theory, a common item statistic is the item’s difficulty index, or “p value.” Given many psychometricians’ notoriously poor spellin…
Item Analysis Report – Item Difficulty Index