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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]
The Group–Bourdon test, a modification of the Bourdon–Wiersma, is one of a number of psychometric tests which trainee train drivers in the UK are required to pass. [ 3 ] [ 4 ] The test is based on the work of French psychologist Benjamin B. Bourdon (1860–1943) and Dutch neurologist Enno Dirk Wiersma [ nl ] (1858–1940).
The tests, an early form of psychological testing, assessed candidates based on their proficiency in topics such as civil law and fiscal policies. [12] Early tests of intelligence were made for entertainment rather than analysis. [13] Modern mental testing began in France in the 19th century.
Criterion Validity is correlation between the test and a criterion variable (or variables) of the construct. Regression analysis, Multiple regression analysis, and Logistic regression are used as an estimate of criterion validity. Software applications: The R software has ‘psych’ package that is useful for classical test theory analysis. [6]
A psychometric questionnaire measuring psychological preferences in how most people perceive the world and make decisions, based on Carl Jung's four principal psychological functions of how humans experience the world – sensation, intuition, feeling, and thinking.
The most recent edition of the Sixteen Personality Factor Questionnaire (16PF), released in 1993, is the fifth edition (16PF5e) of the original instrument. [25] [26] The self-report instrument was first published in 1949; the second and third editions were published in 1956 and 1962, respectively; and the five alternative forms of the fourth edition were released between 1967 and 1969.
Intelligence testing has long been an important branch of quantitative psychology. The nineteenth-century English statistician Francis Galton, a pioneer in psychometrics, was the first to create a standardized test of intelligence, and he was among the first to apply statistical methods to the study of human differences and their inheritance.
The Rasch model, named after Georg Rasch, is a psychometric model for analyzing categorical data, such as answers to questions on a reading assessment or questionnaire responses, as a function of the trade-off between the respondent's abilities, attitudes, or personality traits, and the item difficulty.