The Three Independent Variables in the BBC Prison Study Took

Multiple Choice

The three independent variables in the BBC Prison Study took the form of 'planned interventions'. These were:

A) Permeability, legitimacy, cognitive alternatives
B) Permeability, legitimacy, alternative group leaders
C) Permeability, legitimate authority, cognitive alternatives
D) Permanence, legitimacy, cognitive alternatives
E) Permeability, legitimacy, cognitive questioning