How Pre-existing Beliefs Distort Logical Reasoning
Pre-existing beliefs can distort logical reasoning as demonstrated in an experiment related to attitudes toward homosexuality. Both sides of the ideological spectrum were equally biased. People are much more skeptical about information they do not want to believe than information they do. A challenge, however logical, only entrenches people in their own position.
Ditto, Peter, Ph.D. University of California, Irvine