Drever and Collins performance tests, 1928.
3 3 c m
actual image size: 32cm x 25cm

Drever and Collins performance tests, 1928.

Hills, Jennie

© Science Museum / Science & Society Picture Library


A wooden case containing Drever and Collins Performance Tests of Intelligence, a series of non-linguistic tests devised by the psychologists James Drever and Mary Collins in 1928. They were designed to test the intelligence of both deaf children and those with full hearing. This set was made in Edinburgh and used by Aberdeen City Council Psychological Service.



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