If a person thinks she has a moral responsibility to determine that any belief she holds is based on sufficient evidence, that is, evidence that strikes her as being based on indisputably good reasons or arguments, she is likely representing the epistemological position of

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.

answer; (you have the right of way);

you so !