What is the two parameter IRT model (2PL)?

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Item response theory is the predominant psychometric paradigm…
Juggling-statistics

What is the three parameter IRT model (3PL)?

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Item response theory (IRT) is an extremely powerful psychometric…

What is the classical item facility statistic in psychometrics?

Classical test theory is a century-old paradigm for psychometrics…
Assess and ASE

Assessment Systems Announces New Partnership with The National Institute of Automotive Service Excellence

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MINNEAPOLIS, MN, September 7, 2018 - Assessment Systems, global…
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Assessment Systems Partners with BARBRI to Deliver New Formative Assessment Program

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MINNEAPOLIS, MN, September 5, 2018 - Assessment Systems, industry…

Assessment Systems Earns a Spot on Inc. 5000 List

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Assessment Systems, a leader in psychometrics and assessment,…

How can you implement an Angoff cutscore on a test scored with item response theory?

The modified-Angoff method is arguably the most common method…

What is linear on the fly testing?

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Linear on the fly testing (LOFT) is an approach to delivering…

Where can I get a graduate degree in psychometrics?

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The field of Psychometrics is definitely a small niche in the…
Accreditation