validity threats psychometrics

What validity threats are relevant to psychometric forensics?

Validity, in its modern conceptualization, refers to evidence…

Assessment Systems Named INC 5000 Fasted Growing Companies

Assessment Systems Ranks No. 807 on the 2017 Inc. 5000 America’s…
item difficulty

What is classical item difficulty (P value)?

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One of the core concepts in psychometrics is item difficulty.  This…
psychometric forensics, conference on test security, data forensics, test fraud

Examinee Collusion: Primary vs Secondary

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It's October 30, 2017, and collusion is all over the news today...…
machine learning in psychometrics

Machine Learning in Psychometrics: Old News?

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In the past decade, terms like machine learning, artificial intelligence,…
psychometric forensics, conference on test security, data forensics, test fraud

Can we call it Psychometric Forensics?

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An emerging sector in the field of psychometrics is the area…
conference on test security

2017 Conference on Test Security

Last week, I had the opportunity to attend the 2017 Conference…
2017 IACAT Conference
Psychometrics

All Psychometric Models Are Wrong

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The British statistician George Box is credited with the quote,…
Adaptive testing conference

Want to learn more about adaptive testing? Attend IACAT.

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Computerized adaptive testing (CAT) is an incredibly important…