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 |