van Gelder’s claims seem confirmed by Ortiz 2007′s meta-analysis: http://lesswrong.com/lw/dhe/to_learn_critical_thinking_study_critical_thinking/
van Gelder’s claims seem confirmed by Ortiz 2007′s meta-analysis: http://lesswrong.com/lw/dhe/to_learn_critical_thinking_study_critical_thinking/