Answer:
a. A conflict of conscience
Step-by-step explanation:
Conscience is defined as the personal awareness or the ethics which guides us to determine the right and the wrong. Conflict of conscience is defined as the the conflict between us to maintain the objectivity of our conviction that goes against something of grain that we must evaluate.
In the context, the researcher allowing their personal beliefs or morals to influence the objectivity is an example of a conflict of conscience.