"Science’s arbiter of disputes, the meta-analysis, is falling prey to bias”
By Ivan Oransky and Adam Marcus
...”In a new paper, John Ioannidis, of Stanford University, argues that scientists are being deluged with a “massive production of unnecessary, misleading, and conflicted systematic reviews and meta-analyses.”Rather than present objective evidence, these articles are afflicted with the very illness — assumptions, biases, and wishful thinking — that they ostensibly try to filter out, he says.”
Retraction Watch did a Q and A with Ioannidis about his paper:
"We have an epidemic of deeply flawed meta-analyses, says John Ioannidis”
the full paper:
The Mass Production of Redundant, Misleading, and Conflicted Systematic Reviews and Meta-analyses
By Ivan Oransky and Adam Marcus
...”In a new paper, John Ioannidis, of Stanford University, argues that scientists are being deluged with a “massive production of unnecessary, misleading, and conflicted systematic reviews and meta-analyses.”Rather than present objective evidence, these articles are afflicted with the very illness — assumptions, biases, and wishful thinking — that they ostensibly try to filter out, he says.”
Retraction Watch did a Q and A with Ioannidis about his paper:
"We have an epidemic of deeply flawed meta-analyses, says John Ioannidis”
the full paper:
The Mass Production of Redundant, Misleading, and Conflicted Systematic Reviews and Meta-analyses