reliability examples

What Is Validity Of The Instrument In Research?

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What Is Validity Of The Instrument In Research? Validity is often defined as the extent to which an instrument measures what it asserts to measure [Blumberg et al., 2005]. Validity of a research instrument assesses the extent to which the instrument measures what it is designed to measure (Robson, 2011). It is the degree to

What Is Test Validity And Reliability?

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What Is Test Validity And Reliability? Reliability and validity are concepts used to evaluate the quality of research. They indicate how well a method, technique or test measures something. Reliability is about the consistency of a measure, and validity is about the accuracy of a measure. What is reliability of a test? Test reliability refers