Psychologists understand this attitude-behavior discrepancy in terms of explicit and implicit processes.    From Wordnik.com.  [Joel Weinberger and Robert F. Bornstein: Traditional Polling Methods Do Not Work for Nontraditional Candidates] Reference

Abstract: The extension of contingent valuation models with an attitude-behavior based framework has been proposed in order to improve the descriptive and predictive ability of the models.    From Wordnik.com.  [Environmental Valuation & Cost-Benefit News] Reference