Complex sentence: According to the self-perception account, people infer their attitudes from their own behavior much as an outside observer might, so a person asked to give a pro-Fidel Castro speech would subsequently view themselves as being more in favor of Castro.
Split into simpler sentences: According to the self-perception theory, people infer their attitudes from their own behavior much as an outside observer might. For example, a person asked to give a pro-Fidel Castro speech would consequently view him or herself as more in favor of Castro.