standard error of measurement

(symbol: SEM) an index of the reliability of an assessment instrument, representing the variation of an individual’s scores across multiple administrations of the same test. The larger the standard error of measurement, the greater the score variation across administrations. In essence, the standard error of measurement provides an indication of how confident one may be that an individual’s obtained score on any given measurement opportunity represents his or her true score.

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Psychology term of the day

March 14th 2025

galantamine

n. an inhibitor of the enzyme acetylcholinesterase, with additional actions modulating nicotinic receptors directly, that is used for the treatment of mild to moderate Alzheimer’s disease (see cognitive enhancer). Although galantamine and other acetylcholinesterase inhibitors do not reverse symptoms of dementia, they have been demonstrated to temporarily slow progression of the disease. U.S. trade name: Razadyne.