Sally Considered Herself to Be Relatively Liberal in Her Political

Multiple Choice

Sally considered herself to be relatively liberal in her political and social views.Her best friend introduced her to an environmental activist group.At the first meeting she attended,Sally agreed with everything that was presented and decided to join the group.At the second meeting,however,a group member presented an argument that Sally thought was "extreme." Sally later told her friend that she could never join this group because their ideas were "crazy." Which theory would best explain Sally's change of attitude?

A) theory of cognitive dissonance
B) social judgment theory
C) balance theory
D) self-perception theory