GalejsI.PeaseD.WolinsL. (1984) Personal Reaction Scale for college and noncollege adults: its development and factorial validity. Educational and Psychological Measurement, 44, 383–393.
2.
NowickiS. (1974) The Adult Nowicki-Strickland Internal-External Control Scale (ANS-IE) College and Noncollege Forms. Atlanta, GA: Department of Psychology, Emory University.
3.
RotterJ. B. (1966) Generalized expectancies for internal versus external control of reinforcement. Psychological Monographs, 80, No. 1 (Whole No. 609)