Answer:
Rationalism
Explanation:
People who represent epistemological position of rationalism will always refrain themselves from making a belief prepositions without any evidence. They tend to be a really logical people that tend to implement scientific approach to develop their belief or ethical standard.
In general, these type of people are very unlikely to be trapped in a group think or a pre-selective bias. They will not hold on to their ego and will easily change their belief if they found an objective evidence to discredit their initial belief.