Media coverage attacking the character and trustworthiness of a scientist can diminish public faith in the research findings of that scientist. Ralph M. Barnes, Heather M. Johnston, Noah MacKenzie, Stephanie J. Tobin and Chelsea M. Taglang have investigated the degree to which such attacks do undermine trust in that scientist's research, and the relative impact of various types of ad hominem attacks. Perhaps surprisingly, purely ad hominem attacks, such as accusations of a financial conflict of interest, for example, prove just as effective in undermining public faith in research findings as direct criticism of the empirical foundations of a science claim