Health communication lecture about people\'s willingness to change behavior

1. Lecture 5 Willingness to change

3. SDT and (sustainable) health behavior

7. Forced compliance experiment: Results Festinger & Carlsmith (1959)

8. So, undermining effect of extrinsic rewards?

12. Competence and Relatedness?

15. Thou shalt not …

16. Psychological Reactance If freedom to engage or not engage in a behavior is threatened or denied, motivational arousal is prompted to restore lost freedom (Brehm & Brehm, 1981)

19. Results (Silvia, 2006) Source derogation Restoring threatened freedom

20. Source derogation Has long term implications for ongoing influence attempts, because the sources of a reactance producing messages may lose referent power and credibility and thus suffer diminished future influence over their reactant audiences (Miller et al., 2007)

21. Implicit and explicit (anti & pro) smoking messages Higher score = More negative

24. Effects of controlling and concreteness