9-1 - HP 300 Major Components Intention o Intention subjective probability that a behavior will be performed o Intentions and behaviors are highly

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9/1/11 HP 300 Major Components: Intention o Intention: subjective probability that a behavior will be performed o Intentions and behaviors are highly correlated but not perfectly correlated e.g. substance use intentions and actual substance use is about .85 o since intentions and behaviors are so highly correlated we want to be able to accurately predict intentions (want to be able to identify what predicts intentions) the link between intentions and behaviors can be so strong that it’s hard to intervene between them, easier to prevent the intention itself TRA and TPB are expectancy-value theories (take into account expectations of a behavior and how much you value what’s going to happen if you perform that behavior) o Health belief model is also an expectancy-value theory (perceived barriers) Expectancy: what will happen if I perform a health behavior Value: if I perform that behavior, how good or bad will the outcome be?
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This note was uploaded on 03/19/2012 for the course HP 300 taught by Professor Riggs during the Fall '06 term at USC.

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9-1 - HP 300 Major Components Intention o Intention subjective probability that a behavior will be performed o Intentions and behaviors are highly

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