The phrase "overall validity" is correct and usable in written English.
It is usually used in contexts related to scientific research and other areas where the validity of something needs to be examined. For example, "The results of the research showed an overall validity of 80%."
To account for the overall validity of a test such validated, apart from this correlational evidence, other forms of evidence should be added, however.
Fifth, our sample size was sufficient to evaluate the overall validity of administrative data, but uncommon comorbidities and complications could not be validated.
Despite the relatively high level for overall validity and reliability, a more collapsed categorization of education would produce a more valid result on estimating mortality inequality when using unlinked data.
And Casanova Entertainment, the club's corporate owner, rather than challenging the zoning for the club's site, is challenging the overall validity of the city's zoning laws on First Amendment grounds, Mr. Murray said.
Some of the outside reviewers of the article before it was published did raise concerns about the overall validity of the 18-month threshold as it was presented in the original draft.
But he added that a disagreement over a single paper had little to do with the overall validity of climate science.
(It is also worth noting, however, that on the stump, Mr. Romney has recently been claiming that he created over 100,000 jobs, an assertion the ad does not mention and whose overall validity has been questioned).
Given the potential practical merit, it is important to understand the overall validity of IMJTs.
All of these results help to accumulate validity evidence for an overall validity argument in our context.
Content validity, concurrent validity, and construct validity were then used to examine the overall validity of this scale.
STAP cells are currently under investigation to determine the overall validity of the published results as well as the mechanism behind their reprogramming.
