Strengths and Difficulties Questionnaire.
SDQ
Child/adolescent psychosocial adjustment; 5 subscales: Emotional Symptoms, Conduct Problems, Hyperactivity/Inattention, Peer Relationship Problems, Prosocial Behavior; Total Difficulties score; impact supplement
- Provisionally grouped under
- Length and format
- 25 (core) + impact supplement. 3-point (not true / somewhat true / certainly true) (informant/observer report)
- Language versions
- 80+ languages incl. ES, ZH, RU, PT, FR, DE, AR, NL and most European and many Asian/African languages
- Licence
- copyrighted - author permission
The rights holder controls how this one may be used, so the route to it runs through the publisher or the author. The source link below is the starting point, and for some in this class it is also where the instrument itself is available.
Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.
- Reference
- Goodman, R. (1997). The Strengths and Difficulties Questionnaire: A Research Note. Journal of Child Psychology and Psychiatry, 38(5), 581-586. (https://www.sdqinfo.org)
More in Developmental, child, family and couple
- ABAS-3 - Adaptive Behavior Assessment System, Third Edition
varies by form (~232-241 items per age-band form). copyrighted - commercial.
- AAI - Adult Attachment Interview
~20 interview questions (semistructured protocol); coded on 9-point state-of-mind and experience scales. copyrighted - author permission.
- AAS / RAAS - Adult Attachment Scale (and Revised AAS)
18 items. public-domain / open.
- ATQ - Adult Temperament Questionnaire
77 (short form); a long form (~249 items) also exists. copyrighted - author permission.
- ASQ-3 - Ages and Stages Questionnaires, Third Edition
30 items per age interval (21 age-specific questionnaires), 6 per domain. copyrighted - commercial.
- APQ - Alabama Parenting Questionnaire
42 (full); 9 (APQ-9 short). copyrighted - author permission.
Use this instrument with your own participants
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