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ASC's Blog:
Where Psychometrics Is Cool!

(well, it always is…)

Keep on reading for easy-to-digest articles on psychometric topics, industry news, and guest posts from experts.

AI Remote Proctoring
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Education

What is a z-Score?

A z-score measures the distance between a raw score and a mean in standard deviation units. The z-score is also known as a standard score

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Credentialing

Ebel Method of Standard Setting

The Ebel method of standard setting is a psychometric approach to establish a cut score for tests consisting of multiple-choice questions. It is usually used

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Psychometrics

Item parameter drift

Item parameter drift (IPD) refers to the phenomenon in which parameter values a given test item changes over multiple testing occasions within the item response

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Educational assessment in math
Education

Speeded vs Power Test

The concept of Speeded vs Power Test is one of the ways of differentiating psychometric or educational assessments.  In the context of educational measurement and

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Psychometrics

Item fit analysis

Item fit analysis is a type of model-data fit evaluation that is specific to the performance of test items.  It is a very useful tool

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Test Development

What is multi-modal test delivery?

Multi-modal test delivery refers to an exam that is capable of being delivered in several different ways, or of a online testing software platform designed

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Pre employment testing
Psychometrics

Predictive Validity

Predictive Validity is a type of test score validity.  Validity, in a general sense, is evidence that we have to support intended interpretations of test

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Composite test Score options
Psychometrics

Composite Test Score

A composite test score refers to a test score that is combined from the scores of multiple tests, that is, a test battery.  The purpose

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Psychometrics

Inter-rater reliability vs agreement

Inter-rater reliability and inter-rater agreement are important concepts in certain psychometric situations.  For many assessments, there is never any encounter with raters, but there certainly

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