Costs and outcomes of an intervention programme for offenders with personality disorders. BJP, 200, . A number of the references in this paper were incorrect. First, under Probabilities (p. 337), citation of references 9–11 should have referred to Friendship et al (2003), Marshall (1997) and Taylor (2000) respectively. The full references are as follows:
Friendship C, Mann RE, Beech AR. Evaluation of a national prison-based treatment program for sexual offenders in England and Wales. J Interpers Violence 2003; 18: 744–59.
Marshall P. A Reconviction Study of HMP Grendon Therapeutic Community. Home Office Research and Statistics Directorate, 1997.
Taylor R. A Seven Year Reconviction Study of HMP Grendon Therapeutic Community. Home Office, 2000.
Second, under Costs and outcomes (pp. 337–338), citation of references 16–18 should have been to references 13–15. Third, under Discounting (p. 338), reference 16 should be cited in place of reference 12. Fourth, under Main findings (pp. 339–340), references 6 and 7 should be cited in place of references 5 and 6. Methodological discrepancies in the update of a meta-analysis: author's reply (letter). BJP, 200, . This letter was co-authored by Falk Leichsenring and Sven Rabung. Falk Leichsenring's affiliation is as published; Sven Rabung is at the Department of Medical Psychology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany, and the Department of Psychology, University of Klagenfurt, Austria.
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