 They have also been used to measure racial and gender discrimination in academia, as well as racial discrimination in the low and high ends of the labor market.Audit studies have been criticized because the auditors may look different to employers, and this may result in the appearance of discrimination when employers were really just making decisions based on appearance.The other limitations of these studies, according to their critics, include that they are unable to audit jobs found through interactions with other people directly, only those found through newspapers.