In one of the largest studies on peer review and an international interdisciplinary investigation, J. Am. Soc. Inf. Sci. Technology. 64, 132-161, 2013 76 of. Double-blind peer reviews are fairer and more objective, academics say. Double-blind peer reviews are fairer and more objective, say BMJ academics. 2008, 336 7638 241. doi: 10.1136 bmj.39476.357280.DB. Author Zosia Kmietowicz. PMID: PMC2223019. In one of the largest international peer review and interdisciplinary survey studies, 76 of respondents indicated that double blinding was a problem. We test this using a Mann-Whitney test and find that single-blind reviewers bid for fewer articles, P, 0.0002. On average, single-blind evaluators bid. compared with. double-blind evaluators, a decrease Thus, the difference in behavior between the two classes of evaluators is quite significant.