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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]
Psychometry may refer to: Psychometry (paranormal), a form of extrasensory perception; Psychometrics, a discipline of psychology and education;
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Anne Anastasi (December 19, 1908 – May 4, 2001) was an American psychologist [3] best known for her pioneering development of psychometrics.Her generative work, Psychological Testing, remains a classic text in which she drew attention to the individual being tested and therefore to the responsibilities of the testers.
A Song dynasty painting of candidates participating in the imperial examination, a rudimentary form of psychological testing. Physiognomy was used to assess personality traits based on an individual's outer appearance.
A common example is visual acuity testing with an eye chart.The person sees symbols of different sizes (the size is the relevant physical stimulus parameter) and has to decide which symbol it is.
Psychometrika is the official journal of the Psychometric Society, a professional body dedicated to psychometrics and quantitative psychology.The journal focuses on quantitative methods for the measurement and evaluation of human behavior, including statistical methods and other mathematical techniques. [1]
The g factor [a] is a construct developed in psychometric investigations of cognitive abilities and human intelligence.It is a variable that summarizes positive correlations among different cognitive tasks, reflecting the assertion that an individual's performance on one type of cognitive task tends to be comparable to that person's performance on other kinds of cognitive tasks.