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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6 reports

A Factor Analysis of the Airman Biographical Inventory BE601B

Author(s): William B. Lecznar; Benjamin Fruchter
Corporate Author: Human Resources Research Center
Laboratory: Directorate of Personnel Research
Date of Publication: 3/1/1951
Report Number: HRRC RB 51-3
full text by request

Joint Conversion Tables for Air Force Aptitude Indices and Army Aptitude Areas

Author(s): Virginia Zachert
Corporate Author: Human Resources Research Center
Laboratory: Directorate of Personnel Research
Date of Publication: 3/1/1951
Report Number: HRRC RB 51-5
full text by request

The Factorial Content of the Airman Classification Battery: I. Factor Analysis of 1948 Norrmative Survey Battery

Author(s): Benjamin Fruchter
Corporate Author: Human Resources Research Center
Laboratory: Directorate of Personnel Research
Date of Publication: 11/1/1949
Report Number: HRRC RB 49-1
full text by request

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: 1/1/1950
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: 12/1/1950
Report Number: HRRC RB 50-3
full text by request

Evaluation of a New Technique for Keying Biographical Inventories Empirically

Author(s): William B. Lecznar
Corporate Author: Human Resources Research Center
Laboratory: Directorate of Personnel Research
Date of Publication: 3/1/1951
Report Number: HRRC RB 51-2
full text by request