Answer:
3. Mental set
Explanation:
Eva is showing evidence of Mental set.
A mental set is a tendency to only see solutions that have worked in the past and this type of fixed thinking can make it difficult to come up with solutions and can affect the problem solving process. For example, Eva just upgraded her software package. However, even though the updated version contains a number of more efficient methods for working with files, Eva continues to work with the files the way she did before the upgrade.
