Contrails
The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

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2 reports

The Comparative Composite Validities of Batteries of "Short" Versus "Long" Tests

Author(s): Leland D. Brokaw
Corporate Author: Human Resources Research Center
Laboratory: Directorate of Personnel Research
Date of Publication: 1950-01
Report Number: HRRC RB 50-1
full text by request

Validity of the Airman Classificatiion Battery AC-1

Author(s): Donald B. Gragg; Mary Agnes Gordon
Corporate Author: Human Resources Research Center
Laboratory: Directorate of Personnel Research
Date of Publication: 1950-12
Report Number: HRRC RB 50-3
full text by request