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What is the most popular model |
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6 TTM constructs of behavior change |
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1. Stages of behavior change 2. Processes of Change 3. Decisional Balance 4. Self efficacy 5. Temptation 6. Levels of Change |
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5 stages of behavior change |
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precontemplation contemplation preperation action maintenance |
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no intention to take action |
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Intends to take action ~ 30days, some behavioral steps taken |
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No temptation to relapse & 100% confidence (some question whether this phase truly exists) |
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Conscious Raising Dramatic Relief Self-reevaluation Environmental Reevaluation Self-liberation Helping Relationships Counter conditioning Reiforcement managment Stimulus control social liberation |
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Finding /learning new things that support healthy behavior change |
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Emotional arousal about behavior & relief from changing it |
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Affective & cognitive components, related to self identity |
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Evironmental reevaluation |
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Realizing the – impact (unhealthy) & + impact (healthy behavior) has on proximal social / physical environment |
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Making a firm commitment to change |
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Seeking & using social support for change |
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Substitute healthy alt. behaviors/thoughts for unhealthy ones |
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Increase rewards for + change, decrease for unhealthy behavior |
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Remove reminders/cues to engage in unhealthy behavior, add reminders for healthy behavior |
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Realize social norms are changing in direction of supporting healthy behavior change. |
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TTM construct 3 Decisional balance |
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Relative weighing of the pros and cons of changing |
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TTM construct 3 Decisional balance Pros |
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benefits of changing: Instrumental gains for self Instrumental gains for others Approval for self Approval for others |
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TTM construct 3 Decisional balance cons |
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costs of changing: Instrumental costs to self Instrumental costs to others Disapproval from self Disapproval from others |
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Construct 4: Self efficacy |
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Belief that one can engage in healthy behavior across different challenging situations |
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to engage in unhealthy behavior across different challenging situations |
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Construct 6: 5 levels of change |
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Symptom/situational problems Maladaptive problems Current interpersonal conflicts Family/system conflicts Intrapersonal conflicts |
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Five critical assumptions of TTM |
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No single theory can account for the complexity of behavior change Temporal component Stages are both stable (more like personality traits) and open to change (dynamic like psychological states) The majority of at risk populations are not ready to change, therefore aren’t ready for traditional action oriented programming Specific processes and principles of change should be emphasized at specific stages to maximize efficacy |
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Population Impact (PI) = Participation Rate (PR) x Effectiveness Rate (ER) |
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Stages in the model are arbitrary, and to classify a population in different stages serves little utility Need to strive for parsimony of stage-matched behavior-specific processes Lacks predictive power Comparative studies of stage-matched versus non-stage-matched interventions are lacking Applications to vulnerable subgroups of populations are lacking |
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