Functional Attitudes Theory

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This theory explains attitudes by positing that all attitudes serve some number of functions. IE. we don't believe things because they are true, but because believing them is useful to us. Of course, true beliefs are likely to be more useful than false beliefs. But according to this theory, function trumps truth

• An utilitarian function which allows one to make sense of the world and interact with it in useful ways that get us what we want.
• A social function which allows ones attitudes to help one bond with others.
• A value expressive function that helps one solidify and express those values which are important to oneself.
• An ego defensive function which helps one reduce cognitive dissonance.

Check out http://www.business.uiuc.edu/Shavitt/pdf%20files/DillardChapter_8.pdf