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Unformatted text preview: Bio Sci 45 Week Eight HIV Risk assessment and Testing • Purpose o To increase understanding of the wats in which individuals assess their own risk of HIV through discussion of decision making processes, risk assessment and junk like that • Model for individual decision making and action o Four Temporal Steps Knowledge Attitude Intention Behavior • Knowledge o Involves information collection, synthesis and weighing o Affects the decision making process • Attitude o Condenses information into a conclusion o Affects the decision making process • Intention o Involves a readiness to take action o Affects the action process • Behavior o The action actually taken o Affects the action process • Risk Assessment o Probabilistic information o Contains an estimate related to an issue or topic Likelihood Frequency Prevalence o Weighed in 2 main ways Normative judgment model Subjective Probability • Normative Model o Probability info is weighted according to statistical rules to reach conclusions o Based solely on statistics. Highest frequency for example • Subjective Probability Model o Rules of thumb or judgment shortcuts for processing probabilistic info o Heuristics Representativeness Availability Anchoring o Optimistic Bias • Representativeness o Concluding that one item or object is representative of another to the degree that the two items or objects are similar o Instantaneous, unconscious, and based on perception of reality • Availability o Refers to the acailability of an item or object in memory o Present in memory more probable o Two contributors to availability Familiarity Salience o The availability ofan item or object in memory is affected by Familiarity – the frequency of occurrence of an item or object in our memory Salience – the distinctiveness or vividness of an item or object in our memory • Anchoring o The way in whichthe starting point for assessment affects how we adjust subsequent estimates o Can be seen in the errors people make in assessing overall HIV risk related to a series of event Conjunctive – overestimate risk...
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- Winter '08
- Decision Making, Transtheoretical model