Editing Cognitive behavioral therapy (section)

===Reading self-help materials===
Enabling patients to read self-help CBT guides has been shown to be effective by some studies.<ref>{{cite web|url=http://www.mindinbexley.org.uk/docs/E-self_help_guide.pdf|title=A Step By Step Guide to Delivering Guided Self Help CBT |access-date=9 April 2013|archive-url=https://web.archive.org/web/20121024054235/http://www.mindinbexley.org.uk/docs/E-self_help_guide.pdf|archive-date=24 October 2012}}</ref><ref>{{cite journal | vauthors = Williams C, Wilson P, Morrison J, McMahon A, Walker A, Andrew W, Allan L, McConnachie A, McNeill Y, Tansey L | display-authors = 6 | title = Guided self-help cognitive behavioural therapy for depression in primary care: a randomised controlled trial | journal = PLOS ONE | volume = 8 | issue = 1 | pages = e52735 | year = 2013 | pmid = 23326352 | pmc = 3543408 | doi = 10.1371/journal.pone.0052735 | veditors = Andersson G | doi-access = free | bibcode = 2013PLoSO...852735W }}</ref><ref>{{cite journal |doi = 10.1192/apt.7.3.233|title = Use of written cognitive-behavioural therapy self-help materials to treat depression|year = 2001| vauthors = Williams C |journal = Advances in Psychiatric Treatment|volume = 7|issue = 3|pages = 233–240|doi-access = free}}</ref> However one study found a negative effect in patients who tended to ruminate,<ref>{{cite journal | vauthors = Haeffel GJ | title = When self-help is no help: traditional cognitive skills training does not prevent depressive symptoms in people who ruminate | journal = Behaviour Research and Therapy | volume = 48 | issue = 2 | pages = 152–157 | date = February 2010 | pmid = 19875102 | doi = 10.1016/j.brat.2009.09.016 }}</ref> and another meta-analysis found that the benefit was only significant when the self-help was guided (e.g. by a medical professional).<ref>{{cite journal | vauthors = Gellatly J, Bower P, Hennessy S, Richards D, Gilbody S, Lovell K | title = What makes self-help interventions effective in the management of depressive symptoms? Meta-analysis and meta-regression | journal = Psychological Medicine | volume = 37 | issue = 9 | pages = 1217–1228 | date = September 2007 | pmid = 17306044 | doi = 10.1017/S0033291707000062 | hdl-access = free | s2cid = 12980225 | hdl = 10036/46773 }}</ref>