validity

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Related to Concurrent validity: Construct validity, Content validity, Predictive validity

validity

[və′lid·əd·ē]
(mathematics)
Correctness; especially the degree of closeness by which iterated results approach the correct result.

validity

the extent to which a measure, indicator or method of data collection possesses the quality of being sound or true as far as can be judged. For example, if a psychological measure, such as an intelligence test, is considered to be valid, this means that it is thought to measure what it sets out to measure. If social survey observations are said to have produced valid data, then they are considered to be true reflection of the phenomenon being studied in the population being studied (e.g. projections of voting behaviour), and the survey method could be said to have validity. Compare RELIABILITY.

In practice, in sociology and the social sciences generally, the relation between indicators and measures on the one hand and the underlying concepts they are taken to represent is often contested (see OFFICIAL STATISTICS, MEASUREMENT BY FIAT).

References in periodicals archive ?
The concurrent validity of HADS was assessed through finding correlation between the total score of English and Pashto versions of HADS.
Cronbach's Alpha was used to check the reliability of the screening checklist and the Pearson correlation coefficient was used to find out the concurrent validity of the screening checklist.
Does the child version of the MMD possess concurrent validity when compared with the child version of the PEGS with Jewish children aged 5 to 7 years?
Concurrent Validity of the Empathy Scale in Patient Care
In the case of concurrent validity, high correlations between FACES II Total with the balanced scales of FACES IV were obtained (Balanced Flexibility, r = .
This study examined the psychometric properties of the CASEPA, namely its reliability and concurrent validity.
The concurrent validity for two methods and each movement was used in Table 3.
To define the concurrent validity of the 8UG to the TUG, the 8UG to the ABC, and the TUG to the ABC, we conducted pairwise Pearson correlation coefficients.
23] To investigate the concurrent validity of the FFD test, the relationship of the test outcome was examined with the concurrent digital dual inclinometry measures using Pearson correlation coefficients.
Various studies have evaluated the effectiveness of the ASSIST test when administered by a professional, and they report acceptable values of reliability, construct validity, and concurrent validity (Hides et al.