A MANUAL FOR DEVELOPING SCIENTIFIC METHODS
OF VOCATIONAL SELECTION
WALTER VAN DYKE,BINGHAM
DIRECTOR, PERSONNEL RESEARCH FEDERATION: EDITOR,
JOURNAL OF PERSONNEL RESEARCH; FORMERLY PROFESSOR OF
PSYCHOLOGY, CARNEGIE INSTITUTE OF TECHNOLOGY;
CONSULTANT IN INDUSTRIAL PSYCHOLOGY
MAX FREYD
RESEARCH ASSOCIATE, PERSONNEL RESEARCH
FEDERATION; FORMERLY INSTRUCTOR IN PSYCHOLOGY,
UNIVERSITY OF PENNSYLVANIA
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CHICAGO & NEW YORK
A.W. SHAW COMPANY
LONDON, A. W. SHAW AND COMPANY, LIMITED

BY
AND
1926