DEQ
Depressive Experiences Questionnaire (DEQ)
The DEQ is a self-report questionnaire designed to explore personality dimensions related to depressive vulnerability, particularly interpersonal dependency and self-criticism. Unlike scales focused on current symptoms, it mainly assesses subjective experiences and relatively stable styles of functioning associated with the risk of depression. It is used in clinical psychology, psychodynamic practice, and research to refine the understanding of the depressive profile, personality functioning, and vulnerability factors in adolescents and adults.
- Number of questions
- 66 questions
- Estimated duration
- 15 minutes
- Language
- English
- Original name
- Depressive Experiences Questionnaire
- Target audience
- Adolescents/adults
- Authors
- Sidney J. Blatt, David C. D'Afflitti, John P. Quinlan (1976)
- Category
- Depression
Scoring & interpretation
Each item is rated on a scale from 1 to 7. Standard scoring mainly calculates three dimensions: dependency, self-criticism, and efficacy, ideally using the coefficients and norms of the original method. In some adaptations, sum or mean item scores are used after reversing the relevant items. High dependency and/or self-criticism scores suggest greater depressive vulnerability; the DEQ is not a diagnostic tool on its own.
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