• Entry
  • Reader's guide
  • Entries A-Z
  • Subject index

Dual-Processing Models

  • By: Donald W. Helme & Britanny Lash
  • In: Encyclopedia of Health Communication
  • Edited by: Teresa L. Thompson
  • Subject:Public Health Education & Health Promotion, Health Psychology, Health Communication

The term dual-processing model of persuasion refers to a theory or model that essentially identifies two basic routes to persuasion. The elaboration likelihood model (ELM) of persuasion and the heuristic-systematic model of persuasion (HSM) are the two best-known and widely used dual-process theories of persuasion. The ELM was originally developed by Richard Petty and John Cacioppo and published in 1986; the HSM was developed by Shelly Chaiken and Alice Eagly, and its tenets were initially discussed in an article published in 1980 and later more formally outlined in 1987. Both theories bear a striking similarity but do differ in several important conceptual distinctions.

The Elaboration Likelihood Model of Persuasion

ELM, like its predecessor HSM, proposes two primary paths to persuasion, which operate in tandem. The central route ...

    • Loading...
    locked icon

    Sign in to access this content

    Get a 30 day FREE TRIAL

    • Watch videos from a variety of sources bringing classroom topics to life
    • Read modern, diverse business cases
    • Explore hundreds of books and reference titles