Adaris Has Always Been Drawn to the Saying "Absence Makes

Multiple Choice

Adaris has always been drawn to the saying "Absence makes the heart grow fonder," and she decides to incorporate this saying into her research project. Adaris is trying to define absence in a way that can be empirically tested. She is attempting to find an appropriate __________

A) hypothesis.
B) operational definition.
C) double-blind study.
D) theory.