Posts on psychometrics: The Science of Assessment

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What is Item Banking? How can it improve my assessment?

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Item banking refers to the purposeful creation of a database…
psychometrics in a fog
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What is psychometrics supposed to be doing?

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Today I read an article in The Industrial-Organizational Psychologist…
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Item Writing Tips

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With so many things to consider, it’s no wonder psychometricians…
modified-angoff
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How do I conduct a modified-Angoff study?

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There are a number of acceptable methodologies in the psyychometric…
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What is Scaling?

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I often hear this question, especially regarding the scaled scoring…
item response theory
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What is item response theory?

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Item response theory (IRT) represents an important innovation…
psychometrician professor

What is a psychometrician? Are they created equal?

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A psychometrician is someone who practices psychometrics - the…
Juggling-statistics
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What do "dichotomous" and "polytomous" mean in IRT?

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Item response theory (IRT) is the dominant psychometric paradigm…