theory of planned behavior
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Theory of Planned Behavior
William Patch
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Where does planning fit into your life?
Your EducationYour Profession
Family Gatherings
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• Planning also comes into play when referring to one’s behavior, which takes us to our theory…
THE THEORY OF PLANNED BEHAVIOR
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Izek AjzenThe Theory of Planned Behavior (TPB) was formulated by Icek Ajzen, a Professor in Psychology at the University of Massachusetts.
The TPB was developed from the Theory of Reasoned Action (TRA) which was also formed by Icek.
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CORE IDEA BEHIND TPB & TRA…….INTENTION
ACTION
Leads to ….
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The idea behind the TRA is that one’s intentions are formed through the measuring of one’s attitude and subjective
norm towards performing a certain voluntary behavior.
Attitude: Certain attitudes are present before and while behaviors are performed.
Subjective Norm: How important people in the subject’s life would view the behavior.
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Icek’s Findings: Not all behavior is voluntaryLeading us to a new factor
PBC Defined: refers to people's perceptions of their ability to perform a given behavior.- It is directly related to behavioral intentions and the actual behavior.
Perceived Behavioral Control
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Perceived Behavioral Control
A Combination of:I.) Self Efficacy
-The difficulty of performing the action.
II.) Controllability -The belief that one has control over the
behavior.
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General Rule
Strong Intentions
Strong Attitude
StrongSubjective
Norm
Strong PerceivedBehavioral
Control
More likely to perform the Behavior
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Uses• The Theory of Planned Behavior, like many communication
theories, has been used to address many of the looming issue we have in society. – Premarital sex without condoms– Obesity – Alcohol abuse– Cigarette abuse
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Critics• Like all theories, critics have voiced their opinion.
– People think that there are holes in the theory saying that there are more factors to consider.
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