SDQ

Strengths and Difficulties Questionnaire

25-item brief behavioural screening with five subscales; widely used in UK / EU.

Publisher

Goodman / Youth In Mind (free for non-commercial; license commercial digital)

Est. time

10 min

Population

child / adolescent (3–17)

Licensing status

This instrument is copyrighted by Goodman / Youth In Mind (free for non-commercial; license commercial digital). We display it here so practices can register interest; it becomes usable once we execute a license agreement with the publisher. We never ship items or scoring rules for instruments we are not licensed to distribute.

Want this instrument prioritised?

Tell us which proprietary measures your practice uses today and we will factor that into the licensing roadmap.