Patient Health Questionnaire (PHQ-9)
Psychology: Mental Health1 sample item
About this scale
There is a variety of rating scales for symptoms of depression , and the 9-item Person Health Questionnaire (PHQ-9) is one of them. It is a methodologically good scale (check the article )
Sample item(s)
“Survey code includes 10 item lines. Open PsyToolkit to review wording and permissions.”
Notes
Psychology field scale. Check the PsyToolkit page and original paper for use rights before fielding.
Source & citation
Kroenke, K., Spitzer, R. L., & Williams, J. B. W. (2001). The PHQ-9 - Validity of a brief depression severity measure. Journal of General Internal Medicine, 16 , 606-613.
variety of rating scales for symptoms of depression
Beck depression inventory (BDI)
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
Use it in your research
Need to check the reliability or psychometrics of this scale in your own data? Use the free DrAIStudio research tools:
Cronbach’s alpha calculator
All statistical calculators
Search the full Scale Atlas
Academic writing humanizer