The Patient Health Questionnaire (PHQ)
The Patient Health Questionnaire (PHQ) is a multi-purpose tool for screening, diagnosing, monitoring, and measuring the severity of depression. The PHQ tool rates the frequency of symptoms, which is then used as a factor in the scoring severity index. The PHQ-9 and PHQ-2, components of the longer Patient Health Questionnaire, offer psychologists concise, self-administered tools […]