MECHANICAL APTITUDE II DESCRIPTION OF GROUP TESTS Open PDF Document Details Document Type Technical Report Publication Date Mar 01, 1949 Accession Number AD0490039 Entities People L. L. Thurstone Thelma G. Thurstone Organizations University of Chicago Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Frequency Government Procurement Governments Intervals Procurement Psychological Tests Qualifications Reliability Rotation Statistical Analysis Test Sets Three Dimensional Triangles United States Virginia