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validity |
Also found in: Encyclopedia, Wikipedia, Hutchinson | 0.07 sec. |
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validity [valid′itē] (in research) the extent to which a test measurement or other device measures what it is intended to measure. A data collection tool should accurately reflect the concept that it is intended to measure. Kinds of validity include construct validity, content validity, current validity, and predictive validity. Compare reliability. validity, n the degree to which data or results of a study are correct or true.
validity The extent to which a measurement correctly measures what it is supposed to measure or to which extent the findings of an investigation reflect the truth. In health sciences, validity is commonly assessed by determining the sensitivity and specificity factors. See reliability; sensitivity; specificity. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Catuneanu has covered the ground in excruciating detail, more than most people could comfortably absorb, but provided less guideline information on the real threads of logical truth that matter, or on the realistic application in the less-than-ideal real world most geologists toil in. Campbell did understand that while myths have poetical truth, the kind of truth all made-up stories have, they do not have the factual and logical truth to be found in historical narratives and in bodies of scientific knowledge. |
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