Answer:Overconfidence bias
Explanation: Overconfidence bias is the effect that is caused due to high confidence which leads to people's subjective confidence to turn high rather than focusing on the accuracy of objective while making any verdict.
The situation mentioned in the question states about the overconfidence bias behavior shown by Sara .She thinks that she is a great writer as well as editor ,but in reality she has flaws and errors in her reports on which she does not focus.