UK norms |
YES |
Norm / Criterion referenced |
Norm referenced (norms collected 1987) |
Standardisation sample |
594 six monthly norms |
Reliability |
Random testing revealed little difference in responses if the re-test was given within a month from the original. A 3% of each set's score was affected by scoring discrepancy. |
Criterion validity |
Insufficient data in the public domain to evaluate |
Construct validity |
Insufficient data in the public domain to evaluate |
Concurrent validity |
Highly correlated with Carrow Elicited Language Inventory for children aged 5 and 6 with moderate learning disabilities. |