Psychometric

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Psychometric

Psychometric (pronounced: /ˌsaɪkoʊˈmɛtrɪk/) is a field of study concerned with the theory and technique of psychological measurement. It involves the construction and validation of measurement instruments such as questionnaires, tests, and personality assessments.

Etymology

The term "psychometric" is derived from the Greek words "psyche," meaning "soul," and "metron," meaning "measure." It was first used in the 19th century to describe the scientific measurement of mental abilities.

Related Terms

  • Psychology: The scientific study of the human mind and its functions, especially those affecting behavior in a given context.
  • Measurement: The assignment of numbers to objects or events according to rules.
  • Test (assessment): An assessment intended to measure a test-taker's knowledge, skill, aptitude, physical fitness, or classification in many other topics.
  • Personality Assessment: A type of assessment that is used to measure personality traits and characteristics.
  • Validity (statistics): The extent to which a concept, conclusion or measurement is well-founded and corresponds accurately to the real world.

See Also

  • Psychometrics (field): The field of study concerned with the theory and technique of psychological measurement.
  • Psychometrician: A person who practices psychometrics.
  • Psychometric Test: A type of test used in psychometrics to measure various mental abilities and processes.

External links

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