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Assessment & diagnosis
Validated outcome measures for Separation Anxiety Disorder in early childhood
No single gold standard exists for studying Separation Anxiety Disorder (ICD-11 6B05) in early childhood. Robust designs triangulate a developmentally validated diagnostic interview (e.g. PAPA) with dimensional caregiver-report scales (Preschool Anxiety Scale, SCAS-P, CBCL 1½–5) and a clinician-rated impairment anchor, using multi-informant methods. Report psychometrics for your own sample's age band and language.
Read the answer AnswerValidated outcome measures for Social Communication Difficulties in early childhood
Early-childhood Social Communication Difficulties research relies on a layered battery: CCC-2 for pragmatic report, SRS-2 and SCQ for social-communication characterisation, ADOS-2 for structured observation, and CELF-Preschool-2 or PLS-5 to anchor structural language. Robust studies pair caregiver report with direct observation and report psychometrics and responsiveness for each measure.
Read the answer AnswerValidated outcome measures for early-childhood SLD research
Specific Learning Disability is not diagnosable in early childhood, but its precursors are measurable. Researchers use validated phonological-processing, emergent-literacy and numeracy, oral-language and cognitive instruments — chosen for documented reliability, validity and local norms — within longitudinal designs, since early scores predict later SLD risk rather than confirm diagnosis.
Read the answer AnswerValidated Outcome Measures for Speech and Language Delay
Early-childhood speech and language delay research uses a layered outcome toolkit: norm-referenced direct measures (PLS-5, CELF-P2, Reynell), parent-report inventories (MacArthur-Bates CDI, Language Development Survey), and functional measures (CSBS, Vineland communication, Goal Attainment Scaling, language-sample metrics). Studies pair a psychometrically robust primary endpoint with sensitive secondary measures, reporting psychometrics and ensuring cultural validation for multilingual cohorts.
Read the answer AnswerValidated Outcome Measures for Stereotyped Movement Disorder
No single gold standard exists for Stereotyped Movement Disorder (ICD-11 6A06) in early childhood. Researchers combine direct behavioural observation with momentary time-sampling and validated scales such as the RBS-R, Stereotypy Severity Scale and ABC stereotypy subscale, plus functional behaviour assessment — always anchored to the child's developmental level and a pre-registered endpoint.
Read the answer AnswerValidated Outcome Measures for Tourette Syndrome in Early Childhood
The YGTSS is the reference clinician-rated tic-severity measure, supported by PUTS, TS-CGI and video-based scales. In early childhood, validity is constrained — PUTS self-report is unreliable below ~8–10 years — so rigorous designs pair a clinician-administered tic measure with co-occurring-symptom (CY-BOCS, Conners, CBCL) and quality-of-life (C&A-GTS-QOL) instruments and repeated, informant-based ratings.
Read the answer AnswerValidated outcome measures for early-childhood visual impairment
Early-childhood visual impairment research uses tiered validated measures: age-appropriate acuity tests (Teller Acuity Cards II, Cardiff, Lea Symbols), functional-vision instruments (LVP-FVQ, CVFQ), and developmental/quality-of-life tools anchored to the WHO ICF and ICD-11 9D90 framework.
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