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 ?
These findings provide support for the concurrent validity of a process-of-care checklist, particularly its use as a tool for ensuring the delivery of daily cares in an ICU.
In comparison, the Action Arm Research Tool does have demonstrated validity for a mixed neurological population of stroke, traumatic brain injury and multiple sclerosis patients (Platz, Pinkowski, van Wijck, Kim, di Bella, & Johnson, 2005), but suffers from the limitation of only having proven convergent validity as opposed to concurrent validity.
However, they provided no reliability or validity information about either version of their writing task and, more specifically, any concurrent validity studies comparing their writing task to SORT or other standardized reading tests.
We used Pearson's r and Spearman's rho correlation coefficients to analyze the concurrent validity of three EAI subscales.
Table 3 reports concurrent validity of the six outcome measures at pretreatment and posttreatment.
The current study will examine concurrent validity between two measures developed by one of the authors which address the need to define elements of efficacy on the part of teachers, as well as associated outcomes expected from implementation of RtI.
Recently the concurrent validity of the LLFDI in patients with CVD has been reported.
The purpose of the present study was to further examine the concurrent validity of the BESS in elementary school settings, by examining the relation between teachers' BESS ratings and recent reportcard outcomes.
Initial concurrent validity of the instrument was tested by comparing it with the Fennema-Sherman Attitude Scale (1976), and negative relationships were found, which meant that students who had more favorable attitudes toward mathematics experienced less mathematics anxiety (Alexander & Martray, 1989).
Concurrent Validity of the 2005 Strong Interest Inventory: An Examination of Gender and Major Field of Study Courtney E.
We found evidence of good construct and concurrent validity and good internal consistency and test-retest reliability for the CCSM.