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Behaviour Change (health belief model (Critique (initially popular, isnt…
Behaviour Change
health belief model
Aim - to predict likelihood of engaging in health related behaviour
perceived threat
Susceptibly to problem
if you dont engage in behaviour what will it lead to
seriousness of problem
out come expectations
perceived benefit of specific action
perceived barriers to taking action
what stops me from doing this
Critique
initially popular
isnt good at predicting behaviour
doesnt combine or interact
treats factors in isolation
doesnt allow for social or cultural factors
protection motivation theory
aims to predict and change health in behaviour
Threat appraisal
vulnerability
severity
coping appraisal
response efficacy
self efficacy
Critiques
success with smoking, cancer and nutrition
fear is used but not effective
Theory of Reasoned Actioned
Social cognition model
social behaviour is determined by
attitudes
social perceptions/norms
leads to intention
leads to behaviour
Assumes
people likely to do what they intend to do
people are rational and make systematic and logical use of information
Critiques
fails to capture complexity of health experience
neglects emotions or feelings
doesn't use self efficacy or self esteem
unsuccessful
Theory of planned behaviour
social cognition adapted from theory of reasoned action
critiques
not that effective
19% variability of health behaviour
Trantheoretical model
applies to all types
critiques
some success and you can enter when you are ready
time periods are arbitrary
doesnt address cultural or social factors
doesn't effect new behaviours
Fogg
Action line
need to be motivated enough and have the ability to do it
if prompts are below they fail
if prompts are above the succeed