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?© BrainMass Inc. brainmass.com October 9, 2019, 11:29 pm ad1c9bdddf
Reliability is how reliable a measure is compared to itself over time, this can be tested with things such as 'test-re-test' ...
Reliability is emphasized.