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In psychometrics, item response theory (IRT) (also known as latent trait theory, strong true score theory, or modern mental test theory) is a paradigm for the design, analysis, and scoring of tests, questionnaires, and similar instruments measuring abilities, attitudes, or other variables.
Psychological testing refers to the administration of psychological tests. [1] Psychological tests are administered or scored by trained evaluators. [1] A person's responses are evaluated according to carefully prescribed guidelines. Scores are thought to reflect individual or group differences in the construct the test purports to measure. [1]
[85] [86] In general, the test-retest reliabilities in the Korean sample were comparable to those in the American sample. For both culture samples, the median test-retest reliabilities were found to be higher for females than for males: 0.75 for Korean males and 0.78 for American males, whereas it was 0.85 for Korean females and 0.81 for ...
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 large body of evidence confirms that the VVIQ is a valid and reliable psychometric measure of visual image vividness. In 1995 Marks published a new version of the VVIQ, the VVIQ2 . [ 2 ] This questionnaire consists of twice the number of items and reverses the rating scale so that higher scores reflect higher vividness.
When the test is scored, a value of 0 to 3 is assigned for each answer and then the total score is compared to a key to determine the depression's severity. The standard cut-off scores were as follows: [7] 0–9: indicates minimal depression; 10–18: indicates mild depression; 19–29: indicates moderate depression; 30–63: indicates severe ...
The Kaufman Assessment Battery for Children (KABC) is a clinical instrument (psychological diagnostic test) for assessing cognitive development. Its construction incorporates several recent developments in both psychological theory and statistical methodology. The test was developed by Alan S. Kaufman and Nadeen L. Kaufman in
After ensuring that the PAI addressed certain concepts in psychopathology, the developers proceeded to a second stage in the process. This stage involved the "empirical evaluation" of the items. The research team administered two versions of the test, first to a sample of college students and later to a normative sample.