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The Eating Disorders Examination Questionnaire (EDE-Q) is a 28-question, self-report, Likert scale assessment tool for determining the possible presence of an eating disorder in the participant that takes between 10 and 15 minutes. The EDE has two versions with the EDE-Q functioning for all participants and a modified EDE-A for adolescents (age 14+). Created by Christopher G Fairburn and Sarah Beglin in 1994, the EDE-Q is the written version of the EDE, an in-person interview created by Fairburn and Cooper in 1993

Eating Disorders Examination (EDE)
The Eating Disorders Examination is the in-person interview first developed to determine the possible presence of an eating disorder in patients. By itself, the EDE is considered the "gold standard” in the assessment of eating disorder pathology. As an instigator-based, in person, interview, the EDE takes between 45 minutes and an hour and a quarter to administer and gives 5 scores: a global score and 4 subscores (restriant, eating concern, shape concern, and weight concern). The EDE contains mostly yes/no questions and Likert scale items to address the severity and frequency of eating behaviors.

Eating Disorders Examination Questionnaire (EDE-Q)
The EDE-Q is an adaptation EDE created to assess eating behaviors and attitudes towards eating and body image in participants. The EDE-Q contains a total of 31 questions, but only the first 28 relate to eating behaviors and attitudes while the last three ask for the participants weight, height, and if applicable, menstrual cycle. 22 of the 28 questions are Likert scale questions with answer choices zero through six increasing in strength of reaction or number of occurrences. The other 4 questions ask for specific numbers in how many times each event occurred. The EDE-Q as a whole asks the participant to think specifically on the month prior to administering the examination.

Eating Disorders Examination Questionnaire Short (EDE-QS)
The EDE-QS is a modified version of the EDE-Q designed to keep the validity and reliability of the EDE-Q, but in a shorter 12 question assessment.

Psychometric properties
The EDE-Q has been found to have strong psychometric properties in terms of internal consistency and test-retest reliability for the global score and the individual sub scale scores. Strong convergent validity between the EDE-Q and EDE has also been demonstrated in both clinical and general population samples.

Reliability
The EDE-Q has high internal consistency because it has long scales with a large number of items.

Test-retest reliability also is good over a two week period, although the EDE-Q's length makes it tedious to complete frequently.

Development and History
Created by Christopher G Fairburn and Sarah Beglin in 1994, the EDE-Q was developed to create a shorter and easier to administer version of the in-person interview (EDE) used to measure severity and possible presence of disordered eating. The theoretical background of the questionnaire is to assess whether the participant has a healthy relationship with body image and eating habits. The EDE-Q is used when an in-person interview is either undesirable or unpractical. The EDE-Q is available in many languages including English, Spanish, and Greek.

Limitations
The EDE-Q is under copyright, but is freely available for non-commercial research use and does not require permission for use. Being a self-report questionnaire, the EDE-Q is not known to have any adverse effects on patients beyond the potential of causing minor distress.

GBI form

 * General Behavior Inventory

For youth

 * EffectiveChildTherapy.Org page on bipolar disorder symptoms

For adults

 * Bipolar disorder symptoms and treatment