1. COGNITIVE DISSONANCE THEORY
2. Research applications
A. Decision-making
B. Induced compliance
1. The dissonance theory view

2. amount of dissonance (attitude change)
NOT COMPLY
COMPLY
max. neg. change
max. pos. change
amount of dissonance (attitude change) ■ ■ ■ ■
little/no change
little/no change
incentive

3. COGNITIVE DISSONANCE THEORY
2. Research applications
A. Decision-making
B. Induced compliance
1. The dissonance theory view
2. Limiting condition

4. COGNITIVE DISSONANCE THEORY
2. Research applications
A. Decision-making
B. Induced compliance
C. Hypocrisy induction
D. Selective exposure

5. STAGE MODELS
1. The transtheoretical model (TTM)
A. The stages of change

6. STAGES OF CHANGE in the transtheoretical model (TTM)
Precontemplation
Contemplation
Planning
Action
Maintenance

7. STAGE MODELS
1. The transtheoretical model (TTM)
A. The stages of change
B. The idea of stage-matching of interventions

8. MATCHING INTERVENTIONS TO STAGESB C

9. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
(no advantage for matched)

10. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
(weak evidence for design implications)

11. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
--the idea of decisional balance
--decisional balance asymmetry
--TTM’s design implication
--why the evidence is weak

12. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
C. Intervention sequencing
(no evidence for intervention sequencing effects)

13. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
C. Intervention sequencing
--stage models vs. “continuum” (non-stage) models

14. continuum of intention
___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___
low high

15. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
C. Intervention sequencing
--stage models vs. “continuum” (non-stage) models
--stage models claim intervention sequencing is key

16. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
C. Intervention sequencing
--stage models vs. “continuum” (non-stage) models
--stage models claim intervention sequencing is key
--evidence about intervention sequencing: lacking

17. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
C. Intervention sequencing
D. Stage assessment
(no well-established procedures)

18. STAGE MODELS
1. The transtheoretical model (TTM)
2. Challenges for the TTM
A. Stage-matched vs. unmatched interventions
B. Decisional balance
C. Intervention sequencing
D. Stage assessment
3. Other stage models
4. Summary