Moderator Variables in Prediction, with Special Reference to Freshman Engineering Grades and the Strong Vocational Interest Blank
- Author(s):
- Saunders, David R.
- Publication Year:
- 1953
- Report Number:
- RB-53-23
- Source:
- ETS Research Bulletin
- Document Type:
- Report
- Page Count:
- 21
- Subject/Key Words:
- Engineering, Grade Prediction, Interest Inventories, Majors (Students), Moderator Variables, Strong Vocational Interest Blank, Suppressor Variables
Abstract
The Accountant Scale of the Strong Interest Blank for Men bears little direct relation to a criterion of freshman engineering grades. However, it may act as a suppressor variable in conjunction with the Banker or Psychologist Scale of the Strong. It may also act as a moderator variable in conjunction with the Math.-Science Teacher or Real Estate Salesman Scale. These effects are illustrated by results obtained in two engineering schools. The basic algebra and geometry of moderator variables is given.
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- http://dx.doi.org/10.1002/j.2333-8504.1953.tb00238.x