Peer review: the seal of quality?

How peer review is touted as the mark of scientific scrutiny but evidence of its effects are lacking. Its use as an insurance policy by editors has allowed poor science and censorship to proliferate

In the early 1990s, an extraordinary mixed group of impressive journal editors, researchers, writers and academics came together to investigate all aspects of editorial peer review. 

Grounded on early international congresses of peer review, the group asked itself four key questions:  What is (editorial) peer review? What are the aims of peer review? Doe…