Persons Who Have Grown Up with One Parent and a Sibling

Multiple Choice

Persons who have grown up with one parent and a sibling who is at least 8 years older and of the opposite sex of the parent residing at home tend to treat the older sibling as a parent figure. What level of theorizing is this statement?

A) middle-range theory
B) theoretical framework
C) theory on a topic
D) empirical generalization