Questionnaire	Clinical Range	References
Strength and Difficulties Questionnaire (SDQ)
- SDQ caregiver report and teacher report for children 5–7 years	- Scores above the 90th percentile (p90)	Mieloo et al., 2012
- SDQ caregiver report, teacher report and self-report for children 8–19 years	- Scores above the 90th percentile (p90)	Goedhart, Treffers, & Van Widenfelt, 2003
Behavior Rating Inventory of Executive Function (BRIEF)
- BRIEF caregiver report, teacher report and self-report for children 5–18 years	>1.5 Standard Deviation (SD) above the mean score, adjusted for age and sex	Huizinga & Smidts, 2012
Sensory Profile (SP)
- SP caregiver report (Short Sensory Profile) for children 5–12 years	>2SD difference from the mean score (with three different mean scores for children 4–5 years, 6–10 years, and 11–12 years)	Dunn & Rietman, 2013
- Adolescent/Adult Sensory Profile (AASP) for self-completion for children 11–18 years	>2SD difference from the mean score	Brown et al., 2007
Child Health Questionnaire
- Caregiver report (CHQ-PF50) for children 5–19 years	>1SD below the mean score	Raat, Bonsel et al., 2002
- Self-report (CHQ-CF87) for children 11–19 years	>1SD below the mean score	Raat, Landgraf et al., 2002