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psychometrics

[sahy-kuh-me-triks]
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noun (used with a singular verb) Psychology.
  1. the measurement of mental traits, abilities, and processes.
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Also psychometry.

Origin of psychometrics

First recorded in 1850–55; psycho- + -metrics
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for psychometrics

psychometrics

noun (functioning as singular)
  1. the branch of psychology concerned with the design and use of psychological tests
  2. the application of statistical and mathematical techniques to psychological testing
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for psychometrics

n.

"science of measuring mental processes," 1917, from psychometric; also see -ics.

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Online Etymology Dictionary, © 2010 Douglas Harper
psychometrics in Medicine

psychometrics

(sī′kə-mĕt′rĭks)
n.
  1. The branch of psychology that deals with the design, administration, and interpretation of quantitative tests for the measurement of psychological variables such as intelligence, aptitude, and personality traits.psychometry
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Related formspsy′cho•met′ric null adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.