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validity
(redirected from Construct validity)

   Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.01 sec.
validity noun authenticity, authority, correctness, force, forcefulness, genuineness, gravitas, lawfulness, legal force, legality, legitimacy, legitimateness, meritoriousness, pondus, potency, power, puissance, reality, realness, soundness, strength, trueness, truth, veracity, verity
Associated concepts: validity of a statute
Foreign phrases: Quod in minori valet valebit in majori; et quod in majori non valet nec valebit in minori.That which is valid in the greater shall be valid in the less; and that which is not valid in the greater shall neither be valid in the less. Nul charter, nul vente, ne nul done vault perpetuallent, si le donor n’est seise al temps de contracts de deux droits, sc. del droit de possession et del droit de propertie. No grant, no sale, no gift, is valid forever, unless the donor, at the time of the contract, has two rights, namely, the right of possession, and the right of property. Quae ab initio non valent, ex post facto convalescere non possunt. Things invalid from the beginning cannot be made valid by a subsequent act. Semper praesumitur pro matrimonio. The presumption is always in favor of the vaaidity of a marriage. Quod initio vitiosum est non potest tractu temporis convalescere. That which is void from the beginning cannot become valid by lapse of time. Pacta conventa quae neque contra leges neque dolo malo inita sunt omni modo observanda sunt. Agreements which are not contrary to the laws nor entered into with a fraudulent design must be observed in all respects. Quod initio non valet, tractu temporis non valet. That which is void at the beginning does not become valid by lapse of time.
See also: credibility, honesty, legality, legitimacy, quality, strength, weight


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of Chicago), who co-authored a landmark 1959 paper on construct validity, emphasizes underlying concepts and the subject's experience and behavior while being measured; applications of such testing are not treated.
Studies were classified as providing evidence of construct validity when quantitative ultrasound measurements were (1) able to distinguish between conditions or states known to be different on such constructs (known groups validity), or (2) compared either to an external measurement that is thought to reflect a similar construct and yielded similar results (convergent validity) or to a dissimilar construct and yielded dissimilar results (divergent validity) (Portney and Watkins 2008).
It is the most commonly used outcome classification scale for disabilities after stroke and has excellent construct validity (Tilley, Marler, Geller, & National Institute of Neurological Disorders and Stroke [NINDS] rt-PA Stroke Trial Study, 1996), and adequate interobserver reliability (van Swieten et al.
 
 
 
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