16m–2y (Toddler) — ASD & Dev. Delay
M-CHAT-R/F (Modified Checklist for Autism in Toddlers, Revised): Robins DL et al., Pediatrics 2014;133(1):37–45.
🔗 mchatscreen.com — Free download (English & Indian languages available)
ASQ-3 Communication domain: Squires J & Bricker D, Brookes Publishing 2009.
🔗 agesandstages.com
2–6y (Preschool) — ASD, ADHD, Dev. Delay, Behaviour
M-CHAT-R/F community items (see above).
SDQ (Strengths and Difficulties Questionnaire): Goodman R, J Child Psychol Psychiatry 1997;38:581–586.
🔗 sdqinfo.org — Free download in Telugu & English
SNAP-IV (Swanson, Nolan and Pelham Rating Scale): Swanson JM, 1992 — Free community use.
🔗 adhd.net/snap-iv-form.pdf
6–14y (School) — ADHD, LD, ASD, Behaviour
NICHQ Vanderbilt ADHD Rating Scale: Wolraich ML et al., Pediatrics 2003;112(5):1173–1180.
🔗 nichq.org — Vanderbilt Scales — Free download
SDQ (see above) — also validated for school age.
LD screening items adapted from NICHD Early Child Care Research Network, 2005.
14–18y (Teen) — ADHD, ASD, LD, Behaviour, Depression, Anxiety
ASRS-v1.1 Screener (adolescent adapted): Kessler RC et al., Psychological Medicine 2005;35:245–256.
🔗 hcp.med.harvard.edu/ncs/asrs.php — Free WHO-licensed download
AQ-10: Allison C et al., PLOS ONE 2012;7(9):e44229.
🔗 autismresearchcentre.com/arc_tests — Free download
PHQ-A (Patient Health Questionnaire — Adolescent): Johnson JG et al., Arch Pediatr Adolesc Med 2002.
🔗 phqscreeners.com — Free download (multiple languages)
GAD-7: Spitzer RL et al., Arch Intern Med 2006;166:1092–1097.
🔗 phqscreeners.com — Free download
Note: All items in this tool are adapted for community-level ASHA/ANM screening. This tool does not reproduce any copyrighted scale verbatim. Sensitivity/specificity validation in the KGH/AMC population is recommended before formal research publication.