A comparison of the intelligence of deaf and hearing children : a study of the reactions of comparable groups of deaf and hearing children to three performance scales and a non-language test / by Keith MacKane. 1st AMS ed.
A comparison of the intelligence of deaf and hearing children : a study of the reactions of comparable groups of deaf and hearing children to three performance scales and a non-language test / by Keith MacKane.
Reprint of the 1933 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 585.Originally presented as the auth...