Strengths and Difficulties Questionnaire (SDQ) – self-completion

Goodman R‚ Meltzer H‚ Bailey V (1998)
 
1.    I try to be nice to other people. I care about their feelings
2.    I am restless‚ I cannot stay still for long
3.    I get a lot of headaches‚ stomach-aches or sickness
4.    I usually share with others‚ for example CD’s‚ games‚ food
5.    I get very angry and often lose my temper
6.    I would rather be alone than with people of my age
7.    I usually do as I am told
8.    I worry a lot
9.    I am helpful if someone is hurt‚ upset or feeling ill
10.I am constantly fidgeting or squirming
11.I have one good friend or more
12.I fight a lot. I can make other people do what I want
13.I am often unhappy‚ depressed or tearful
14.Other people my age generally like me
15.I am easily distracted‚ I find it difficult to concentrate
16.I am nervous in new situations. I easily lose confidence
17.I am kind to younger children
18.I am often accused of lying or cheating
19.Other children or young people pick on me or bully me
20.I often offer to help others (parents‚ teachers‚ children)
21.I think before I do things
22.I take things that are not mine from home‚ school or elsewhere
23.I get along better with adults than with people my own age
24.I have many fears‚ I am easily scared
25. I finish the work I'm doing. My attention is good
Do you have any other comments or concerns?
Overall‚ do you think that you have  difficulties in any  of the following areas:emotions‚ concentration‚ behavior or being able to get on with other people?
No‚ Yes minor difficulties‚ Yes definite difficulties‚ Yes severe difficulties
If you have answered "Yes"‚ please answer the following questions about these difficulties:
• How long have these difficulties been present? Less than a month‚ 1-5 months‚ 6-12
Months‚ Over a year
• Do the difficulties upset or distress you? Not at all‚ Only a little‚ A medium amount‚ A great deal
• Do the difficulties interfere with your everyday life in the following areas?
HOME LIFE: Not at all‚ Only a little‚ A medium amount‚ A great deal
FRIENDSHIPS: Not at all‚ Only a little‚ A medium amount‚ A great deal
LEARNING: Not at all‚ Only a little‚ A medium amount‚ A great deal
LEISURE ACTIVITIES: Not at all‚ Only a little‚ A medium amount‚ A great deal
• Do the difficulties make it harder for those around you (family‚ friends‚ teachers‚ etc.)? Not at all‚ Only a little‚ A medium amount‚ A great deal 
1) emotional symptoms‚ 2) conduct problems‚ 3) hyperactivity/inattention‚ 4) peer relationship problems and 5) prosocial behaviour
 
This instrument can be found at: http://www.sdqinfo.com/
 
Not True‚ Somewhat True‚ Certainly True
 

Goodman R (1997) The Strengths and Difficulties Questionnaire: A Research Note. Journal of Child Psychology and Psychiatry‚ 38‚ 581-586.

Goodman R‚ Meltzer H‚ Bailey V (1998) The Strengths and Difficulties Questionnaire: A pilot study on the validity of the self-report version. European Child and Adolescent Psychiatry‚ 7‚ 125-130.

Goodman R (1999) The extended version of the Strengths and Difficulties Questionnaire as a guide to child psychiatric caseness and consequent burden. Journal of Child Psychology and Psychiatry‚ 40‚ 791-801.

Goodman A‚ Lamping DL‚ Ploubidis GB (2010) When to use broader internalising and externalising subscales instead of the hypothesised five subscales on the Strengths and Difficulties Questionnaire (SDQ): data from British parents‚ teachers and children. Journal of Abnormal Child Psychology‚ 38‚ 1179-1191.