> My gut feel from what I saw is that outright fraud is rare, but bias seeping into the study is common There's also a grey area between fraud and not checking

> My gut feel from what I saw is that outright fraud is rare, but bias seeping into the study is common There's also a grey area between fraud and not checking your work as thoroughly as you should. For instance, I've witnessed a highly regarded researcher (Turing award) telling his co-author not to bother about some proof because nobody would read it.