Crits-Christoph P., Gallop R., Temes C.M. et al. ‘The alliance in motivational enhancement therapy and counseling as usual for substance use problems’. Journal of Consulting and Clinical Psychology: 2009, 77(6), p. 1125–1135.
Rarely has counselling been so deeply analysed as in this US study of mainly alcohol and cocaine dependent patients. The far-reaching implications are that some counsellors generate relationships with clients which feed through to better outcomes – but also that the ‘best’ relationship builders are not on average the most effective.