Theory of Reasoned Action 2-28-08

Theory of Reasoned Action 2-28-08 - lifestyle behavior...

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Theory of Reasoned Action o Fishbein and Ajzen 1975 o Theory hypothesis: A person’s intention to engage in a specific behavior is formed the following: Attitude Toward performing the behavior Subjective Norm Beliefs about what significant others think they should do How important their opinions are to him/her Behavioral Intent- statement of intention AND the probability that the individual will perform the behavior Perceived behavioral control Health belief model o Attempts to explain why people would or would not engage in a wide variety if health actions o Developed by 3 social psychologist in the 1950’s Participate in educational programs (prevention) Participate in programs to prevent disease (medical screenings) Compliance with treatment regimnes o Four constructs of the hbm Perceived susceptibility Perception of individual risk for illness, disease condition or consequence of
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Unformatted text preview: lifestyle behavior choice Perceived seriousness/severity • Perception of what severity of outcome would be upon contracting a disease, illness or consequence of lifestyle behavior choice Perceived benefits • Positive outcomes related to action taken in the event of disease or illness or consequence of lifestyle behavior Perceived barriers • Obstacles that prevent individuals from taking actions to address disease, illness, of negative lifestyle behavior o HBM suggest that each of the 4 constructs is influenced by other variables Demographic descriptors- age, race, ethnicity Psychosocial influences- social class (income +education), peers Structural variables- knowledge, experience, PRE influences o In addition, the perceived benefits ( as perceived by the individual) must outweigh the barriers...
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Theory of Reasoned Action 2-28-08 - lifestyle behavior...

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