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Unformatted text preview: 1 Psychology 101 Health Psychology Professor David Sherman Class # 13 Health Behavior Change: Models Announcements • Psych 101 webpage updated (thanks, Deb!) • Next Tuesday, 2/26, two physicians (Dr. Mark Silverberg, pediatric ophthalmologist, and Dr. Mary Ferris, Medical Director, UCSB Student Health Services) will be guests in Psych 101 for class on doctor/patient communication – Come prepared with questions related to all areas of medical practice The Assumptions of Most Health Campaigns Information Attitude Change Behavior Change When is a message oversimpli¡ed? • “To be safe, you must never have sex again without a condom” • “As a sexually active adult there are many occasions during which you will probably have to use a condom to avoid transmission of HIV, and there are many others where you won’t.” • Pros/Cons of more nuanced information Models of Health Behavior Change • Health Belief Model • Information Motivation Behavioral Skills Model • Diffusion of Innovations Theory • Stages of Change Theory • Social Norms Approach Health Belief Model Performing a health behavior depends on: • Belief that there is a health threat – Your general health views – Beliefs about vulnerability to threat – Beliefs about severity of threat • Belief that a behavior can reduce threat – Belief that the behavior will work – Belief that bene¡ts of the behavior outweigh its risks 2 Using Health Belief Model to Increase Mammography Use (Aiken, West et al., 1994) • Women given intervention based on Health Belief Model: – Vulnerability – Severity – Effectiveness of mammography – Advantages of early detection • Women in control group who were not given that information: Using Health Belief Model to Increase Mammography Use (Aiken, West et al., 1994) • Women given intervention based on Health Belief Model: – 30% had mammogram in next 3 months – 50% in next 6 months • Women in control group who were not given that information: – 10% had mammogram in next 3 months – 20% in next 6 months Evaluation of Health Belief Model • Strengths – Includes useful constructs – Focuses on people’s beliefs – it is a subjective model • Weaknesses – Assumes behavior is rational – Assumes people have the skills to alter behavior – Ignores social context of many health behaviors Models of Health Behavior Change • Health Belief Model...
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This note was uploaded on 04/08/2008 for the course PSYCH 101 taught by Professor Sherman during the Winter '08 term at UCSB.
- Winter '08
- Health Psychology