pper response to Based on the information in our text Strategic Staffing (2023), using the coefficient of determination is the representation of what is supposed to be measured. So, the closest to the whole number one, the more accurate the test. So, in this case the test 2 would be more accurate as to what the customers truly think. Miguel would have a more valid answer with test number two. A validity coefficient is a number that shows how well test scores match up with another measure that the test is supposed to relate to (2007). Another example, using validity coefficients, a study found that HR professionals can tell high- from low-quality methods, and a single partial reference doesn't change their negative view of low-validity ones (Prochazka et al., 2022)