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Psychometrics is a field of study within psychology concerned with the theory and technique of measurement.Psychometrics generally covers specialized fields within psychology and education devoted to testing, measurement, assessment, and related activities. [1]
Psychometrists deal exclusively with quantitative test administration, do not require coursework beyond the bachelor's level, or licensure by a state department of education. Training of psychometrists is primarily done on-the-job, and their services are valuable in mental health community agencies, assessment and institutional research, or ...
A person's responses are evaluated according to carefully prescribed guidelines. Scores are thought to reflect individual or group differences in the construct the test purports to measure. [1] The science behind psychological testing is psychometrics. [1] [2]
Psychophysics, the relationship between physical stimuli and the sensation they produce Topics referred to by the same term This disambiguation page lists articles associated with the title Psychometry .
A psychometric function is an inferential psychometric model applied in detection and discrimination tasks. It models the relationship between a given feature of a physical stimulus , e.g. velocity, duration, brightness, weight etc., and forced-choice responses of a human or animal test subject.
Classical test theory is an influential theory of test scores in the social sciences. In psychometrics, the theory has been superseded by the more sophisticated models in item response theory (IRT) and generalizability theory (G-theory).
The Psychometric Society is an international nonprofit professional organization devoted to the advancement of quantitative measurement practices in psychology, education, and the social sciences. The society publishes a scientific journal called Psychometrika , concentrating on the area of statistics.
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