- the theory or practice of measuring mental processes or functions, such as intelligence, as by psychological tests
Origin of psychometricspsycho- + metrics
noun(used with a sing. verb)
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. Also called psychometry.
- psy′cho·met′ric, psy′cho·met′ri·cal
- psy·chom′e·tri′cian , psy·chom′e·trist