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    Using a blood draw to compare to the glucometer. If reliability is consistency of a measurement, and validity is how well a measurement reflects the concept in question, is the comparison of a glucometer reading to a blood draw an indication of the reliability or the validity? How do you know?

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    Reliability is how reliable a measure is compared to itself over time, this can be tested with things such as 'test-re-test' ...

    Solution Summary

    Reliability is emphasized.