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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]
A national measurement system (NMS) is a network of laboratories, calibration facilities and accreditation bodies which implement and maintain a country's measurement infrastructure. [8] [9] The NMS sets measurement standards, ensuring the accuracy, consistency, comparability, and reliability of measurements made in the country. [57]
The Binet-Simon test became the foundation for the later-developed Stanford–Binet Intelligence Scales. The origins of personality testing date back to the 18th and 19th centuries, when phrenology was the basis for assessing personality characteristics. Phrenology, a pseudoscience, involved assessing personality by way of skull measurement. [16]
The Mental Measurements Yearbook (MMY) is a reference book series containing information and critical appraisals of English-language educational and psychological tests. The book's purpose is to provide a forum for the review of new tests and to allow consumers to identify the most appropriate test for their needs. [ 1 ]
Measurement is the quantification of attributes of an object or event, which can be used to compare with other objects or events. [1] [2] In other words, measurement is a process of determining how large or small a physical quantity is as compared to a basic reference quantity of the same kind. [3]
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Instrumentation is a collective term for measuring instruments, used for indicating, measuring, and recording physical quantities.It is also a field of study about the art and science about making measurement instruments, involving the related areas of metrology, automation, and control theory.
The Rasch model provides a strict correspondence provided all students attempt the same test items, or their performances are marked using the same marking rubrics. In terms of the broad body of purely mathematical theory drawn on, there is substantial overlap between educational measurement and psychometrics.