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Online or test center proctoring: Which is best?
A new way of proctoring certification exams is rapidly gaining traction. This article compares and contrasts the old with the new.
Online or test center proctoring: Which is best?
Reliability and validity are the keys to trust
Reliability and validity are the keys to trust
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