The validity of a research instrument is its Methods of Sociological Research Mcqs November 20, 2019 BILAL KHATTAK0 A.ability to deliver an unchanged measurement. B.ability to measure what its purpose to measure. C.None of theseRelated Mcqs:The reliability of an instrument is itsStrain rosettes are generally used for______________?Precision isHow wire anemometers are generally used toLoad cells are usedA Competency consists of____________??Accuracy isA kentometer isOdometer isMalleal lity of a material is defined as