Criterion validity

A valid measure actually measures what it says it will measure. To define a measure as valid, one can assess different types of validity. The type of validity of measurement assessed depends on what the researcher wants to know. Criterion validity is one method for assessing the validity of a measure.

In psychometrics, criterion validity is a measure of how well one variable or set of variables predicts an outcome based on information from other variables, and will be achieved if a set of measures from a personality test relate to a behavioral criterion on which psychologists agree.^[1] A typical way to achieve this is in relation to the extent to which a score on a personality test can predict future performance or behavior. Another way involves correlating test scores with another established test that also measures the same personality characteristic.^[1]

Criterion or concrete validity is the extent to which the measures are demonstrably related to concrete criteria in the "real" world. This type of validity is often divided into "concurrent" and "predictive" subtypes. The term "concurrent validity" is reserved for demonstrations relating a measure to other concrete criteria assessed simultaneously. "Predictive validity" refers to the degree to which any measure can predict future or independent past events. These variables are often represented as “intermediate” and “ultimate” criteria. For example, let us say we are conducting a study on success in college. If we find out there is a high correlation between student grades in high-school math classes and their success in college (which can be measured by many possible variables), we would say there is high criterion-related validity between the intermediate variable (grades in high-school math classes) and the ultimate variable (success in college). Essentially, the grades students received in high-school math can be used to predict their success in college.

See also

• Concurrent validity
• Validity (statistics)
• Content validity
• Construct validity
• Test validity

References

1. ^ ^{a b} Pennington, Donald (2003). Essential Personality. Arnold. p. 37. ISBN 0340761180. 

External links

• A page detailing multiple validity points

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This statistics-related article is a stub. You can help Wikipedia by expanding it.v · Categories: Validity (statistics) Psychology stubs Sociology stubs Statistics stubs Wikimedia Foundation. 2010. Игры ⚽ Поможем написать реферат Orchard Hills, New South Wales Linda Purl Look at other dictionaries: criterion validity — kriterijaus pagrįstumas statusas T sritis biomedicinos mokslai atitikmenys: angl. criterion validity ryšiai: platesnis terminas – matavimo pagrįstumas šaltinis Pagrindinės epidemiologijos sąvokos : mokomasis žodynas / Kauno medicinos… …   Lithuanian dictionary (lietuvių žodynas) criterion validity — verification that the instrument correlates with external criteria of the phenomenon under study, either concurrently or predictively …   Medical dictionary Criterion Validity — ⇡ Validität …   Lexikon der Economics Criterion — may refer to: Criterion, general meaning In science and mathematics: Criterion validity, in psychometrics, a measure of how well one variable or set of variables predicts an outcome Criterion referenced test, translates a test score into a… …   Wikipedia Validity (statistics) — In psychology, validity has two distinct fields of application. The first involves test validity, a concept that has evolved with the field of psychometrics but which textbooks still commonly gloss over in explaining that it is the degree to… …   Wikipedia validity — The property of being genuine, a true reflection of attitudes, behaviour, or characteristics. A measure (such as a question, series of questions, or test) is considered valid if it is thought to measure the concept or property which it claims to… …   Dictionary of sociology Criterion-referenced test — A criterion referenced test is one that provides for translating test scores into a statement about the behavior to be expected of a person with that score or their relationship to a specified subject matter. Most tests and quizzes written by… …   Wikipedia validity — An index of how well a test or procedure in fact measures what it purports to measure; an objective index by which to describe how valid a test or procedure is. concurrent v. an index of criterion related v. used to predict performance in a real… …   Medical dictionary criterion concurrent validity — konkurencinis kriterijaus pagrįstumas statusas T sritis biomedicinos mokslai atitikmenys: angl. criterion concurrent validity ryšiai: platesnis terminas – matavimo pagrįstumas šaltinis Pagrindinės epidemiologijos sąvokos : mokomasis žodynas /… …   Lithuanian dictionary (lietuvių žodynas) criterion predictive validity — prognozuojamasis kriterijaus pagrįstumas statusas T sritis biomedicinos mokslai atitikmenys: angl. criterion predictive validity ryšiai: platesnis terminas – matavimo pagrįstumas šaltinis Pagrindinės epidemiologijos sąvokos : mokomasis žodynas /… …   Lithuanian dictionary (lietuvių žodynas) 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”