Etymology
"Psychometrics" is derived from Greek:
Meaning
Psychometrics is the field of study that develops and applies statistical methods for measuring psychological variables.
Origin
The term "psychometrics" was first used in the early 20th century by James McKeen Cattell, an American psychologist. Cattell argued for the use of statistical methods to study the mind and behavior, and he coined the term "psychometrics" to describe this approach.
Development
Psychometrics has evolved over the years, with the development of new statistical methods and the application of these methods to a wide range of psychological variables. Today, psychometrics is a central part of psychology, and it is used in a variety of research and applied settings.
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