PSYC 3170 Chapter Notes - Chapter 6: Conflict Theories, Motivated Reasoning, Hypervigilance

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Ch.6 October 17
B) The Role Of Beliefs And Intentions
- Health belief model: the likelihood that a person will take preventive action,
perform some health behaviour
- One assessment pertains to the threat the person feels regarding a health
problem and the other weighs the pros and cons of taking the action
- Factors that influence people’s perceived threat, that is, the degree to which
they feel threatened or worried by the prospect of a particular health problem
- Perceived seriousness of the health problem: people consider how severe the
organic and social consequences are likely to be if they develop the problem or
leave it untreated
- Perceived susceptibility to the health problem: people evaluate the likelihood of
their developing the problem, the more risk they perceive for themselves, the
more likely they are to perceive it as a threat and take action
- Cues to action: being reminded or alerted about a potential health problem
increases the likelihood of perceiving a threat and taking actions
- Theory of planned behaviour: people decide their intention in advance of most
voluntary behaviours, and intentions are the best predictors of what people will
do
- The theory indicates that certain judgments determine a person’s intention to
perform a behaviour
- Attitude regarding the behaviour: a judgment of whether or not the behaviour is
a good thing to do
- Subjective norm: the impact of social pressure or influence on the behaviour’s
acceptability or appropriateness
- Perceived behavioural control: person’s expectation of success in performing
the contemplated behaviour
- The theory of planned behaviour proposed that these judgments combine to
produce an intention that leads to performance of the behaviour
- One problem is that intentions and behaviour are not strongly related, people do
not always do what they decide
- The theory of planned behaviour is also incomplete
- One weakness is that they assume people think about risks in a detailed
fashion, knowing what diseases are associated with different behaviours and
estimating the likelihood of becoming seriously ill
- Stages of change model or transtheoretical model: people who are currently in
one stage show different psychosocial characteristics from people in other stages
- Maintenance: people in this stage work to maintain successful behavioural
changes they achieved, although this stage can last indefinitely, researchers
often define its length as six months for follow up assessment
- Action: this stage spans a period of time, usually six months, from the start of
people’s successful and active efforts to change a behaviour
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