Theory of Planned Behavior
THEORY OF PLANNED BEHAVIOR
The theory of planned behavior (TPB), outlined by Icek Ajzen in 1988, is an extension of the theory of reasoned action in that it identifies the importance of assessing the amount of control an individual has over behaviors and attitudes (perceived behavioral control). The TPB takes into account that all behavior is not under volitional control and that behaviors are located at some point along a continuum that extends from total control to a complete lack of control. Control factors include
DONALD E. MORISKY
Ajzen, I. (1988). Attitudes, Personality, and Behavior. Chicago: The Dorsey Press.