![]() In other cases, the instrument developed by the original researcher will get used (with permission) by other researchers who are conducting similar studies. However, in some cases of validation, a researcher may receive a statement from another researcher indicating that they believe the instrument measures what it was designed to measure. There are no statistical tests for validity. Jupp (Ed.), The SAGE Dictionary of Social Research Methods. In other words, validity is no more than an expert opinion.įor a more comprehensive definition of validity, see the following dictionary entry: When a test or measurement is "validated," it simply means that the researcher has come to the opinion that the instrument measures what it was designed to measure. ![]()
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