Sandy beach thinks that whether people make a lot of friends depends on the kind of job a person happens to get and the kinds of people who happen to move into the person's neighborhood. a personality researcher probably would classify sandy as:

The answer is:

external

Completing the sentence:

A personality researcher probably would classify sandy as an external.

There is what we call two types of locus control which are the internal and the external.

External locus control are the people who attribute their success or failure to outside influences.