Answer: Confirmation bias
Explanation:
If all the sources Felix has collected support his claim, it means that he has ignored any accounts that might contradict his claim.
Confirmation bias refers to the inclination to only consider the information that supports the claim one wants to defend while avoiding the information that could invalidate it.
To ensure his research is not biased, Felix should acknowledge sources that contradict his claim.
Answer:
There is no underline on these words so I can not help you.
Explanation: