About the Measure

Domains Language
Subscales Not examined
Target Construct Oral language: Vocal communication
Description The Developmental Snapshot is a statistically validated, 52-item, parent- completed evaluation of language skills for infants and toddlers focusing on well- established milestones associated with expressive and receptive language skills.
Test Authors J. Richards, C. R. Greenwood & J. K. Montgomery
Publisher LENA Research Foundation (2017)
Psychometry Not evaluated as no UK norms
Implementation Not evaluated as no UK norms

Implementation details

Respondent Not examined
Prior knowledge Required Not examined
Scoring Not examined
Time Not examined
Age 2 months to 6 months

Psychometric details

Norm / Criterion referenced Norm referenced
Standardisation sample Insufficient data in the public domain to evaluate.
Reliability Not examined
Criterion validity Not examined
Construct validity Not examined
Concurrent validity Not examined