Suppose that Aretha grew up in New York but currently works in California as a Human Resources Director. While she tries to be unbiased when reviewing job applications, she knows that she has a tendency to favor applicants from New York over other applicants. That is, she tends to engage in

 Ingroup favoritism

Explanation:

Ingroup favoritism is a pattern of helping a group in your space better than you would help others who don't belong to that space or group of yours. These can be found in organization, markets and other forms of gathering where different group of people meet.

If Aretha displays her bias in the reviewing process it would suppose that she tend to engage in Ingroup favoritism.

can you give a picture of the map, i'll be able to update my answer!