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The focus of our research is on the nature and treatment of eating disorders, and on developing methods to facilitate the dissemination of effective psychological interventions. CREDO is funded by a Strategic Award from the Wellcome Trust.

The Centre for Research on Eating Disorders at Oxford (CREDO) has been in existence since 1981. For its first three years it was funded by the Medical Research Council, but since 1984 it has been funded by the Wellcome Trust.

CREDO has been responsible for the development and evaluation of many of the leading treatments for adults with eating disorders:

  • Cognitive behaviour therapy for bulimia nervosa (CBT-BN)
  • Interpersonal psychotherapy for bulimia nervosa (IPT-BN)
  • Transdiagnostic CBT for eating disorders (CBT-E)
  • Cognitive behavioural self-help for eating disorders (guided and unguided).

In addition, CREDO has developed some of the most widely used measures of eating disorder features and their secondary effects:

  • Eating Disorder Examination interview (EDE)
  • Eating Disorder Examination questionnaire (EDE-Q)
  • Clinical Impairment Assessment questionnaire (CIA)

CREDO has also conducted major studies of the development and course of the eating disorders.

CREDO is engaged in three main lines of research:

  1. The evaluation of transdiagnostic approaches to the treatment of eating disorders, specifically CBT-E and transdiagnostic IPT.
  2. The development and evaluation of scalable and cost-effective methods for training therapists in complex psychological treatments (such as transdiagnostic CBT for eating disorders, CBT-E).
  3. The development and evaluation of a direct-to-user form of CBT-E delivered via the internet (CBTe).

CREDO has a research website - - which describes its work in more detail.


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