Answer 1: <span>The ability of a test to measure what is purports to measure is called validity.</span> Validity is defined as the ability of a test or study to actually to measure what it claims to measure. For instance, if a test aims to measure a population sample's heart rate, but ends up measuring blood sugar levels instead, it does not have validity, since it did not measure what it claimed or set out to measure. <span> </span> Answer 2: Reliability refers<span> to the consistency of test results.</span> Reliability can be defines as the ability of a test or measure to consistently produce the same results at different, times, settings or locations. If the same test or measure produces different outcomes or results at different times or locations, it is low in reliability.
The power to lay and collect taxes is considered a concurrent power. <u><em>Concurrent powers are powers that are shared by federal government and the State.</em></u> Some other examples of concurrent powers that are enjoyed by both the federal and State governments are the power to build roads, borrow money and create lower courts.
