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Assessment measures developed by CREDO

The Eating Disorder Examination (EDE)

The Eating Disorder Examination (EDE) is widely viewed as the "gold standard" measure of eating disorder psychopathology. It provides a measure of the range and severity of eating disorder features. It can also generate operational eating disorder diagnoses. It is used in most treatment studies and in many other investigations of eating disorder psychopathology. Normative values are available.

The current version of the EDE is edition 17.0D. The main difference from the earlier edition (16.0D) is that it is designed to generate DSM-5 eating disorder diagnoses (American Psychiatric Association, 2013).

The EDE has been translated into multiple languages.

Further reading

American Psychiatric Association (2013). Diagnostic and statistical manual of mental disorders (5th edition). Washington, D.C.: American Psychiatric Association.

Bryant-Waugh RJ, Cooper PJ, Taylor C L & Lask BD. The use of the Eating Disorder Examination with Children: A pilot study. International Journal of Eating Disorders 1996; 19: 391-397.

Cooper Z & Fairburn CG. The Eating Disorder Examination: a semi-structured interview for the assessment of the specific psychopathology of eating disorders. International Journal of Eating Disorders 1987; 6: 1-8.

Fairburn CG & Cooper Z. The Eating Disorder Examination (twelfth edition). In: CG Fairburn & GT Wilson (eds.). Binge Eating: Nature, Assessment and Treatment. (pp. 317-360). New York: Guilford Press, 1993.

Fairburn CG, Cooper Z, O'Connor M. Eating Disorder Examination (16.0D). In Fairburn CG. Cognitive Behavior Therapy and Eating Disorders. New York: Guilford Press, 2008.

The Eating Disorder Examination Questionnaire (EDE-Q)

The EDE-Q is a self-report questionnaire based upon the EDE interview. It is used when it is impracticable or undesirable to employ the interview. The EDE-Q is very widely used and is also available in many languages. The current version is EDE-Q 6.0.

The EDE-Q (and its items) is under copyright. It is freely available for non-commercial research use only and no permission need to be sought.

For commercial use of the EDE-Q contact:

Further reading

Carter JC, Stewart DA & Fairburn CG. Eating Disorder Examination Questionnaire: Norms for adolescent girls. Behaviour Research and Therapy 2001; 39; 625-632.

Fairburn CG & Beglin SJ. Assessment of eating disorder psychopathology: interview or self-report questionnaire? International Journal of Eating Disorders 1994; 16: 363-370.

Fairburn CG, Beglin SJ. Eating Disorder Examination Questionnaire (6.0). In Fairburn CG. Cognitive Behavior Therapy and Eating Disorders. New York: Guilford Press, 2008.

Mond JM, Hay PJ, Rodgers B & Owen C. Eating Disorder Examination Questionnaire (EDE-Q): Norms for young adult women. Behaviour Research and Therapy 2006; 44: 53-62.

Peterson CB & Mitchell JE. Self-report measures. In JE Mitchell & CB Peterson (eds.), Assessment of eating disorders (pp. 120-128). New York: Guilford Press, 2005.

The Clinical Impairment Assessment (CIA)

The CIA is a brief self-report measure of the impairment resulting from current eating disorder psychopathology. It is designed to be completed immediately after the EDE-Q. It provides both a continuous measure of the severity of secondary impairment and a threshold score associated with "caseness".

Further reading

Bohn K, Doll HA, Cooper Z, O'Connor ME, Palmer RL, Fairburn CG. The measurement of impairment due to eating disorder psychopathology. Behaviour Research and Therapy 2008; 46: 1105-1110.

Bohn K, Fairburn CG. Clinical Impairment Assessment Questionnaire (CIA 3.0). In Fairburn CG. Cognitive Behavior Therapy and Eating Disorders. New York: Guilford Press, 2008.