Complex sentence: When people mistake unreliable introspection for genuine self-knowledge, the result can be an illusion of superiority over other people, so for example each person thinks they are less biased and less conformist than the rest of the group.
Split into simpler sentences: When people mistake unreliable introspection for genuine self-knowledge, the result can be an illusion of superiority over other people. For example each person thinks they are less biased and less conformist than the rest of the group.