psychometrics
sy-ko-MET-riks
/ˌsaɪkəʊˈmetrɪks/
The scientific study and practice of measuring mental capacities, knowledge, skills, and psychological traits.
Focuses on the statistical validity, reliability, and fairness of standardized tests.
The story behind the word. Coined in the late 19th century by combining Greek 'psyche' (mind, soul) and 'metron' (measure). It reflected the shift of psychology from philosophy into an empirical science focused on quantitative measurement.
Word relationships
- psychometry: An older or alternative term for psychometrics, though psychometrics is the modern scientific standard.
Commonly confused with
- psychoanalysis: Psychoanalysis is therapeutic exploration of the mind; psychometrics is statistical measurement of mental traits.
Word family
- psychometric (adjective): Relating to psychometrics.
- psychometrician (noun): A specialist in psychometrics.
Collocations
- psychometrics industry
- field of psychometrics
- psychometric testing
- psychometric properties
Example sentences
- "Experts in psychometrics analyze test questions to ensure they are free from cultural bias and measure skills accurately." Test development
- "Modern psychometrics relies heavily on Item Response Theory to calibrate question difficulty dynamically." Computerized testing
Memory hook
PSYCHO (mind) + METRICS (measurement) = measuring the mind. Measuring mind metrics.
When not to use
Do not use for general psychological therapy or counseling; psychometrics deals strictly with quantitative measurement and testing.
Fun facts
- Major test development companies employ hundreds of PhD psychometricians whose sole job is calculating statistical reliability coefficients for test questions.
Related words
Explore more words
anthropometric, standardized, validity, Statistics, Psychological, diagnostic
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