RobinHanson comments on Schools Proliferating Without Evidence - Less Wrong
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Carl, following that link to its source brought me here: http://www.nice.org.uk/guidance/index.jsp?action=download&o=33188, where several randomized trials are mentioned. But I see no meta-analysis, so I still worry about publication selection biases, etc. Anyone know of a meta-analysis of this lit?
Here's a review of meta-analyses on CBT:
http://www.sciencedirect.com/science/article/pii/S0272735805001005
I know I'm not teaching Robin anything, but it should be noted that meta-analyses often fail to overcome publication selection biases.