RotterJ. B.Generalized expectancies for internal versus external control of reinforcement. Psychological Monographs, 1966, 80, No. 1 (Whole No. 609).
2.
ThompsonG., & KnoxA. B.Designing for diversity: are field-dependent learners less suited to distance education programs of instruction?Contemporary Educational Psychology, 1987, 12, 17–29.
3.
TriceA. D.An academic locus of control scale for college students. Perceptual and Motor Skills, 1985, 61, 1043–1046.