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Risk perceptions are beliefs about potential harm or the possibility of a loss. It is a subjective judgment that people make about the characteristics and severity of a risk.
The degree of risk associated with a given behavior is generally considered to represent the likelihood and consequences of harmful effects that result from that behavior. To perceive risk includes evaluations of the probability as well as the consequences of an uncertain outcome. There are three dimensions of perceived risk – perceived likelihood (the probability that one will be harmed by the hazard), perceived susceptibility (an individual’s constitutional vulnerability to a hazard), and perceived severity (the extent of harm a hazard would cause). Risk perceptions are central to many health behavior theories. For example, models that have been developed specifically to predict health behavior such as the health belief model (Rosenstock, 1966),...
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