The Strengths and Difficulties Questionnaire (SDQ)

The Strengths and Difficulties Questionnaire (SDQ) is a brief emotional and behavioural screening questionnaire for children and young people.

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The 25 items in the SDQ comprise 5 scales of 5 items each. The scales include:

  1. Emotional symptoms subscale
  2. Conduct problems subscale
  3. Hyperactivity/inattention subscale
  4. Peer relationships problem subscale
  5. Prosocial behaviour subscale

The SDQ can be used for various purposes, including clinical assessment, evaluation of outcomes, research and screening.

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