Attitude & Persuasion

Attitude & Persuasion

  • Lecture by Prof. Daniel He, March 6, 2025

Agenda

  • Experimental Design
  • What are Attitudes?
  • Consumer Persuasion Techniques

Experimental Concepts

  • X Variable (Independent Variable - Cause)
    • Manipulated by the researcher to observe effects.
    • Example: Participants assigned to Treatment or Control Group.
  • Y Variable (Dependent Variable - Effect)
    • Measured to assess the impact of the independent variable.
    • Example: Percentage of participants willing to become organ donors.
  • Mediator
    • Variable explaining how the independent affects the dependent.
    • Example: How much effort it takes to become an organ donor.
  • Moderator
    • Variable that influences the strength of the relationship between X and Y.

Consent and Organ Donation Study

  • Opt-in vs. Opt-out Models
    • Influence on willingness to register as an organ donor.
    • Example based on a Gift of Life Consent Form.
  • Effort Assessment
    • Scale from 1 (no effort) to 5 (great deal of effort).

Beliefs, Attitudes, and Preferences

  • Beliefs: Non-evaluative judgments (e.g., "Coke tastes sweet").
  • Attitudes: Evaluative judgments (e.g., "I like the taste of Coke").
  • Preferences: Relative evaluations (e.g., "Coke is better than Pepsi").

Persuasion Techniques

  • Definition: An attempt to influence beliefs, attitudes, and behaviors.
  • Elaboration Likelihood Model (ELM)
    • High-Involvement Processing: Central route, careful analysis leads to enduring attitude change.
    • Low-Involvement Processing: Peripheral route, less cognitive effort leads to temporary change.

High-Involvement vs. Low-Involvement Techniques

  • High-Involvement
    • Strong factual arguments
    • Product demonstrations
    • Credible endorsements
  • Low-Involvement
    • Sponsorships and music utilization.
    • Celebrity endorsements and repetition.

Heuristics Applied in Persuasion

  • Numerosity Heuristic: People influenced by the number of reasons given (e.g., "109 reasons to choose a Dodge Caravan").

Principles of Persuasion (Cialdini)

  • Reciprocity: Obligation to return a favor.
  • Scarcity: Attractiveness of limited availability.
  • Authority: Trust in experts or authoritative figures.
  • Consistency: Desire to act consistently with past commitments.
  • Liking: Favorable responses to similar others.
  • Social Proof: Tendency to follow the behavior of similar others.

Applications of Principles

  • Reciprocity Example: In dining settings, increasing tips with thoughtful gestures (e.g., giving mints).
  • Scarcity Example: Items marketed as scarce lead to increased demand.
  • Authority Example: Enhanced reception of information from expert endorsements.
  • Social Proof Example: Statistical evidence of peer behavior influencing individual actions.

Experimental Insights

  • Behavioral experiments illustrate principles in action (e.g., high compliance from small to large requests).
  • Implications for marketers and communicators in designing persuasive messages.

Conclusion

  • Key Concepts: Experimental design elements, understanding attitudes and persuasion principles.
  • Reading Assignment: Tversky and Kahneman (1974) on heuristics and biases.