Multiple studies concur that the TPB, and its many extensions and adaptations, fail to account for ______ percent of the variability in health behaviour.

Question

Quizplus · Accepted Answer

The Theory of Planned Behavior (TPB) and its extensions often fail to account for more than 20 percent of the variability in health behavior, indicating that while TPB is a useful framework for understanding health behaviors, there are other significant factors influencing these behaviors that the theory does not capture.

Multiple Studies Concur That the TPB, and Its Many Extensions