Eyre-Walker A, Stoletzki N (2013). PLoS Biol 11(10): e1001675. doi:10.1371/journal.pbio.1001675 The authors conclude that the 3 measures considered here are poor; in particular subjective assessments are an error-prone, biased, & expensive method by which to assess merit.
Evidence-based research is based on:
creating an answerable research question
locating the best available evidence to answer the question
evaluating the quality of the evidence, as well as its applicability to your question.
The research used to support your answer presents the research results, so that you can see how the conclusions were reached.