About the Measure

Domains Language
Subscales No
Target Construct Oral language: Expressive vocabulary.
Description naming pictures and objects
Test Authors Renfrew, C. & Mitchell P
Publisher Speechmark publishing (Routledge) (2010)

Implementation details

Respondent Child
Prior knowledge Required Speech language therapists
Scoring Transparent and clear
Time 10 to 15 minutes
Age 3 years to 8 years

Psychometric details

UK norms YES
Norm / Criterion referenced Norm referenced
Standardisation sample 741
Reliability 11 test-retest were carried out. Of these 5 tests showed no difference in score; others no more than one point more or one point less in score
Criterion validity Insufficient data in the public domain to evaluate
Construct validity No other test has been found to be suitable for comparison. Of 66 children tested by the author, the names of those who were above or below the middle 50% of the range were shown to the teacher. There was agreement on 54 children, the others all being on the borderline of the appropriate range.
Concurrent validity Insufficient data in the public domain to evaluate