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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 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.
Computer-based test interpretation (CBTI) programs are technological tools that have been commonly used to interpret data in psychological assessments since the 1960s. CBTI programs are used for a myriad of psychological tests, like clinical interviews or problem rating, but are most frequently exercised in psychological and neuropsychological ...
The psychometrics are robust with the Chinese MMPI-2 having high reliability (a measure of whether the results of the scale are consistent). Reliability coefficients were found to be over 0.8 for the test in Hong Kong and were between 0.58 and 0.91 across scales for the mainland.
The modern test theory is based on latent trait model. Every item estimates the ability of the test taker. The ability parameter is called as theta (θ). The difficulty parameter is called b. the two important assumptions are local independence and unidimensionality. The Item Response Theory has three models.
In psychometrics, an anchor test is a common set of test items administered in combination with two or more alternative forms of the test with the aim of establishing the equivalence of the test scores on the alternative forms. The purpose of the anchor test is to provide a baseline for an equating analysis between different forms of a test. [1]
A norm-referenced test would report primarily whether this student correctly answered more questions compared to other students in the group. Even when testing similar topics, a test which is designed to accurately assess mastery may use different questions than one which is intended to show relative ranking. This is because some questions are ...
In psychometrics, predictive validity is the extent to which a score on a scale or test predicts scores on some criterion measure. [1] [2]For example, the validity of a cognitive test for job performance is the correlation between test scores and, for example, supervisor performance ratings.