About the Measure

Domains Language
Subscales Grammar and Phonology
Target Construct Oral language: Grammatical abilities Phonology
Description The GAPS test is a quick and simple screening test used to assess the grammatical abilities and key pre reading skills of children. The test assesses whether the child has appropriate knowledge of how to use grammatical rules to create sentences and whether they know the rules underlying how to add sounds together to correctly make words.
Test Authors van der Lely, H., Gardner, H., Froud, K. & McClelland A.
Publisher STASS (2007)
Psychometry
Implementation

Implementation details

Respondent Child
Prior knowledge Required Professionals and non-professionals
Scoring Scoring transparent and clear, Phonology requires care
Time 10 minutes
Age 3 years and 6 months to 6 years and 6 months

Psychometric details

UK norms YES
Norm / Criterion referenced Norm referenced
Standardisation sample 668
Reliability Sentence repetition component .86; non-word repetition component .73.
Criterion validity Insufficient data in the public domain to evaluate
Construct validity GAPS grammar test significantly correlated with BPVS (.44); CELF Sentence Structure (.52); CELF Word-Structure (.43); CN-Rep (.58
Concurrent validity GAPS grammar test significantly correlated with BPVS (.44); CELF Sentence Structure (.52); CELF Word-Structure (.43); CN-Rep (.58