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Word Play – Reliability
January 01, 2018In an earlier Word Play post, we discussed one of the cornerstones of psychometrics: Validity, the extent to which a measurement tool, like an examination, measures what it is intended to measure. Another important aspect of psychometrics is Reliability. Reliability… Read More »
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Word Play – Criterion-Referenced
Criterion-referenced is typically associated with standardized assessments such as certification and licensure examinations. Simply put, tests which are criterion-referenced are designed to measure candidate performance against a set of predetermined criteria or learning standards. If candidates perform at or above… Read More »
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Word Play – Psychometrics
Psychometrics. It’s a term you’ve undoubtedly heard because you are involved in certification, but not a term that you may readily be able to define. Simply stated, psychometrics is the field of study concerned with objective measurement of skills, knowledge,… Read More »
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Word Play – Raw Scores vs. Scaled Scores
Test scores convey performance on a test to candidates. Scores are usually reported as either a raw score or a scaled score. A raw score is a score that represents the total number of items on an exam that a… Read More »