validity

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Related to Face 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 ?
Based on two independent structured panel reviews (clinical and end-user panels), these indicators have high face validity as metrics of community health.
Further analysis of the results from different options for the 4-level and 5level ordinal versions, demonstrated that the assumption of equidistance matched the structure of the data very well, and produced high levels of face validity, as well as very strong correlations.
With the RATE Project, we depart from the inefficient observational methods that GL suggest inspire face validity.
Evidence for face validity was gained when the emergent factor structure from the EFA mirrored the factor structure of the original, previously validated constructs.
We also obtained face validity of the pre/post-test from five independent science educators who checked the clarity and validity of each item as it relates to the intended cognitive order "Remember"" of Revised Bloom's taxonomy (Anderson et al.
2009) appears to have face validity for grocery shopping because the test occurs in a grocery store.
Face validity was established by our contact in Tanzania, who administered the questionnaire to four students in each program.
The team leaders who volunteered to conduct the survey were trained in its administration and asked to record any feedback relevant to the face validity and acceptability of questions and response options.
While the PRWE was originally developed for wrist disorders, MacDermid and Tottenham (2004) argue that from a functional perspective the wrist and hand are interrelated, and therefore, there is good face validity for its application in a population with hand injuries by changing the word "wrist" to "wrist/ hand" and the name of the scale from PRWE to PRWHE.
A face validity test is a technique in which knowledgeable experts provide feedback on whether the inputs and outputs of the architecture meet their expected outcomes.