> they measure attributes that correlate with performance. If you interfere with these measurements (e.g. through fraud), you break those correlations Not nece

> they measure attributes that correlate with performance. If you interfere with these measurements (e.g. through fraud), you break those correlations Not necessarily... You just get the people that are technically competent enough and are self-corruptable enough to pass the test. There is still a correlation with performance but it is a weaker signal and you are more likely to miss out on people with equal ability but higher morals.