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The entire Strengths and Limitations section has issues, but there's clearly some original research going on here: "If CBT and placebo therapies have similar effectiveness, and CBT and IPT have similar effectiveness, it is rational to presume that IPT and placebo therapies have similar effectiveness." The reference provided for that statement dates back to 1990 and seems to have little to do with what's stated on the page...Matthew.murdoch (talk) 21:34, 5 November 2015 (UTC)
I have removed the section mentioned above, shown with its citation below: A 1990 meta-analysis found that CBT was superior to a no-treatment control group; however, when compared to a placebo control group, there was no significant difference. If CBT and placebo therapies have similar effectiveness, and CBT and IPT have similar effectiveness, it is rational to presume that IPT and placebo therapies have similar effectiveness.
It has been replaced with content that references a meta-analysis speaking to the separation of IPT from placebo. LDSMyronukMD (talk) 14:43, 28 June 2016 (UTC)
^Robinson, L. A., Berman, J. S. & Neimeyer, R. A. (1990). "Psychotherapy for the treatment of depression: a comprehensive review of controlled outcome research.". Psychological Bulletin. 108: 30–49. doi:10.1037/0033-2909.108.1.30.CS1 maint: Multiple names: authors list (link)