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Am I Experiencing Depression?

Depression is a condition characterized by an extended period of low mood, anhedonia, and reduction in activity. Am I Experiencing Depression? is an indicative screening questionnaire designed to help clients self-assess whether their experiences might warrant further investigation.

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Notice: The 'Fillable PDF' format has been retired. For resources with form elements, both the 'Professional' and 'Client' versions are now available as fillable PDFs by default.

Professional version

Offers theory, guidance, and prompts for mental health professionals. Downloads are in Fillable PDF format where appropriate.

Client version

Includes client-friendly guidance. Downloads are in Fillable PDF format where appropriate.

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  • Arabic
  • Chinese (Simplified)
  • English (GB)
  • English (US)
  • Greek
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  • Spanish (International)
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Introduction & Theoretical Background

Depression is a condition characterized by an extended period of low mood, anhedonia, and reduction in activity. It is thought to be experienced by between 3 and 7 people out of every 100 (Kessler et al, 2005).

The DSM-5 diagnostic criteria for a major depressive episode include:

  • Feeling depressed most of the day, nearly every day, or having a markedly diminished interest or pleasure in all, or almost all, activities most of the day, nearly every day.
  • Four additional symptoms from: 
  • Significant weight loss or gain, with a decreased or increased appetite
  • Insomnia or hypersomnia
  • Psychomotor agitation or retardation
  • Fatigue or loss of energy
  • Feelings of worthlessness, or excessive or inappropriate guilt
  • Diminished ability to think or concentrate, or indecisiveness
  • Recurrent thoughts of death, including recurrent suicidal ideation, a suicide attempt, or a specific plan for committing suicide

The ICD-11 diagnostic criteria for a depressive episode include: 

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    Therapist Guidance

    Some people who report similar experiences to yours have a condition called depression. Would you like to try a short quiz that could give us an idea of whether this problem troubles you?

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    References And Further Reading

    • American Psychiatric Association. (2013). Diagnostic and statistical manual of mental disorders (5th ed.).
    • Kasper, S. (2006). Anxiety disorders: under-diagnosed and insufficiently treated. International Journal of Psychiatry in Clinical Practice, 10(sup1), 3-9.
    • Kessler, R. C., Chiu, W. T., Demler, O., & Walters, E. E. (2005). Prevalence, severity, and comorbidity of 12-month DSM-IV disorders in the National Comorbidity Survey Replication. Archives of General Psychiatry, 62(6), 617–627. 
    • Hunter, E. C., Charlton, J., & David, A. S. (2017). Depersonalisation and derealisation: assessment and management. BMJ, 356.
    • Stansfeld, S., Clark, C., Bebbington, P., King, M., Jenkins, R., & Hinchliffe, S. (2016). Chapter 2: Common mental disorders. In S. McManus, P. Bebbington, R. Jenkins, & T. Brugha (Eds.), Mental health and wellbeing in England: Adult Psychiatric Morbidity Survey 2014. Leeds: NHS Digital. 
    • Stein, D. J., Lim, C. C., Roest, A. M., De Jonge, P., Aguilar-Gaxiola, S., Al-Hamzawi, A., ... & De Girolamo, G. (2017). The

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