psychometrics; psychometry
Academic field within psychology concerned with the theory and technique of psychological measurement.
Psychometrics is an essential field for the development of intelligence tests and personality assessments.
心理測定 is a broader term for psychological measurement, while 精神測定学 specifically refers to the academic discipline of psychometrics.
Compound of 精神 (mind, psyche), 測定 (measurement), and 学 (study, -ology). A direct calque of English 'psychometrics'.