如果所有的统计数据加起来得到一个好的结果,这将是很好的。然而,英国各地推出的“改善心理治疗可及性计划”(Access to Psychological therapy initiative)因其创造性的会计方法而饱受批评。该计划主要提供CBT治疗。研究2允许它声称40%的成功率,当分析表明,这个数字仅应用于12000年试点研究客户谁住,而不是130000年最初称为疗法——后者图将产生一个更令人印象深刻,但更准确的9%的成功率。
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