Mental and scholastic tests among retarded children
Subtitle: physically defective, canal boat and gipsy children, and children in ordinary elementary schools : an enquiry into the effects of schooling on the various tests ; and, Columbian mental tests by Philip Boswood Ballard.
Contributors: Ballard, Philip Boswood.; Great Britain. Board of Education.
Series: Educational pamphlets / Board of Education -- no. 44; Educational pamphlets -- no. 44.
Publisher: HMSO
Published: 1923
Place of publication: London
Language: eng