Critical Assumptions of the TTM
The Transtheoretical Model is also based on critical assumptions about the nature of behavior change and population health interventions that can best facilitate such change. The following set of assumptions drives Transtheoretical Model theory, research, and practice:
Behavior change is a process that unfolds over time through a sequence of stages. Health population programs need to assist people as they progress over time.
Stages are both stable and open to change, just as chronic behavior risk factors are both stable and open to change.
Population health initiatives can motivate change by enhancing the understanding of the pros and diminishing the value of the cons.
The majority of at-risk populations are not prepared for action and will not be served by traditional action-oriented prevention programs. Helping people set realistic goals, like progressing to the next stage, will facilitate the change process.
Specific principles and processes of change need to be emphasized at specific stages for progress through the stages to occur.