Correspondence |
Clinical Science Institute, National University of Ireland, Galway, Ireland
Tarrier et al (1999) report no significant difference in outcome for patients with post-traumatic stress disorder who received either imaginal exposure or cognitive therapy. They conclude that "clinical benefits for both treatments were maintained".
In the absence of a control group such a conclusion is not warranted. Their findings are open to a number of interpretations, including significant improvement in spite of harmful effects of either or both treatments - supposing, that is, that there were two treatments. Meanwhile, their suggestion that more research is needed does merit support.
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