General Health Questionnaire

The General Health Questionnaire (GHQ) is a psychometric screening tool to identify common psychiatric conditions. It has been translated and validated in at least two languages in addition to English, including Spanish and Persian.

The questionnaire comprises a number of questions, each with a four-point Likert scale for responses. There are versions with 12, 28, 30 and 60 questions. It is considered valid for use on adults and adolescents, but not children, and is available free for use