Speaking only to risk-of-bias tools as I have actually seen it, rather than as it is usually described: the effect is real, it is smaller than the thread suggests, and the variance between people is larger than the effect.
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Topic summary
Risk-of-bias tools and the judgement they conceal
This is a generated summary. It shows the 5 most-liked posts from a topic of 13, in their original order, with the accepted answer included where one exists. It is a reading aid and it will miss nuance — the full topic is the record.
k.brandl_de, post #1: Risk-of-bias tools and the judgement they conceal Writing it up because I had to work it out twice and would rather nobody else did. I have spent a fortnight trying to pin risk-of-bias tools down and I want to set out where I have got to, because I suspect the honest answer is duller than the thread this will produce. What I have: a… Go to post
Post #5 put the caveat in the right place and I want to underline it.
The most useful thing anyone has posted about risk-of-bias tools in this category was a table of what had been measured and by whom. That is what I would want again.
f.chowdhury, post #8: What would change my mind on risk-of-bias tools is a second dataset collected by someone with no stake in the first. Until then I hold it loosely and I would rather say so than pretend to more. Go to post
Study quality and weighting: some meta-analyses weight all studies equally; others weight by study size or study quality. The choice affects the result and should be stated and justified.
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- Pooling trials with different estimandsEvidence › Meta-analyses · 132 replies
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