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From assessment best-practice to the power of certifications, our blog has a range of topics built with you in mind

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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

Giving meaning to assessment scores

Giving meaning to assessment scores

Item Analysis Report – Item Reliability

Item Analysis Report – Item Reliability
Practice Tests

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 Discrimination

Item 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