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content validity |
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content validity,
1 validity of a test or a measurement as a result of the use of previously tested items or concepts within the tool. See also validity. 2 the degree to which the items within a research instrument or measurement tool represent the universe of content for the concept being measured or the domain of a given behavior. validity [vah-lid´ĭ-te] the extent to which a measuring device measures what it intends or purports to measure. construct validity the degree to which an instrument measures the characteristic being investigated; the extent to which the conceptual definitions match the operational definitions. content validity verification that the method of measurement actually measures what it is expected to measure; see also face validity. external validity the extent to which study findings can be generalized beyond the sample used in the study. face validity a type of content validity, determining the suitability of a given instrument as a source of data on the subject under investigation, using common-sense criteria. internal validity the extent to which the effects detected in a study are truly caused by the treatment or exposure in the study sample, rather than being due to other biasing effects of extraneous variables. predictive validity the effectiveness of one set of test or research results as a predictor of the outcome of future experiments or tests.
content validity, n the degree to which an experiment or measurement actually reflects the variable it has been designed to measure. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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