Understanding Knowledge Effects on Attitude-Behavior Consistency: The Role of Relevance, Complexity, and Amount of Knowledge

The role of properties of attitude-relevant knowledge in attitude-behavior consistency was explored in 3 experiments. In Experiment 1, attitudes based on behaviorally relevant knowledge predicted behavior better than attitudes based on low-relevance knowledge, especially when people had time to deli...

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Bibliographic Details
Published in:Journal of personality and social psychology 2006-04, Vol.90 (4), p.556-577
Main Authors: Fabrigar, Leandre R, Petty, Richard E, Smith, Steven M, Crites, Stephen L
Format: Article
Language:English
Subjects:
Action theory
Analysis of Variance
Attitude
Attitude Formation
Attitudes
Behavior
Behavioural psychology
Biological and medical sciences
Choice Behavior
Consumer Behavior
Empirical research
Experiments
Fundamental and applied biological sciences. Psychology
Goals
Human
Humans
Knowledge
Knowledge Level
Personality
Psychology. Psychoanalysis. Psychiatry
Psychology. Psychophysiology
Regression analysis
Social attribution, perception and cognition
Social Behavior
Social psychology
Statistical analysis
Uncertainty
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Summary:The role of properties of attitude-relevant knowledge in attitude-behavior consistency was explored in 3 experiments. In Experiment 1, attitudes based on behaviorally relevant knowledge predicted behavior better than attitudes based on low-relevance knowledge, especially when people had time to deliberate. Relevance, complexity, and amount of knowledge were investigated in Experiment 2. It was found that complexity increased attitude-behavior consistency when knowledge was of low-behavioral relevance. Under high-behavioral relevance, attitudes predicted behavior well regardless of complexity. Amount of knowledge had no effect on attitude-behavior consistency. In Experiment 3, the findings of Experiment 2 were replicated, and the complexity effect was extended to behaviors of ambiguous relevance. Together, these experiments support an attitude inference perspective, which holds that under high deliberation conditions, people consider the behavioral relevance and dimensional complexity of knowledge underlying their attitudes before deciding to act on them.
ISSN:0022-3514
1939-1315
DOI:10.1037/0022-3514.90.4.556