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Heuristic-systematic model of information processing
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<p>The heuristic-systematic model of information processing (HSM) is a widely recognized model by <a href="/facts/Shelly_Chaiken/5ukoyD9v">Shelly Chaiken</a> that attempts to explain how people receive and process <a href="/facts/Persuasion/kWj4ff3w">persuasive</a> messages. </p><p>The model states that individuals can process <a href="/facts/Message/zaUQGfQB">messages</a> in one of two ways: <a href="/facts/Heuristics_in_judgment_and_decision_making/gwyv5AkX">heuristically</a> or systematically. Systematic processing entails careful and deliberative processing of a message, while heuristic processing entails the use of simplifying decision rules or 'heuristics' to quickly assess the message content. The guiding belief with this model is that individuals are more apt to minimize their use of cognitive resources (i.e., to rely on heuristics), thus affecting the intake and processing of messages. </p><p>HSM predicts that processing type will influence the extent to which a person is persuaded or exhibits lasting <a href="/facts/Attitude_(psychology)/U9fTS27S">attitude</a> change. HSM is quite similar to the <a href="/facts/Elaboration_likelihood_model/of4EPRfl">elaboration likelihood model</a>, or ELM. Both models were predominantly developed in the early- to mid-1980s and share many of the same concepts and ideas. </p>