Which of the Following Is the Best Example of an Operationalization

Multiple Choice

Which of the following is the best example of an operationalization of the construct of "hunger"?

A) feeling of emptiness or growling in the stomach
B) a desire to eat brought about by an intense image of the taste and smell of a favorite food
C) realizing it's been a long time since one has eaten anything
D) a child asking his mother whether supper is ready more than 5 times in a 15 minute period