Answer:
to describe
Explanation:
Based on the scenario being described within the question it can be said that in this research the Professor is utilizing the goal of to describe. This refers to trying to describe a specific behavior or phenomenon in order to use that description as a basis for learning more about that specific behavior or phenomenon. Which in this scenario would be the children complaining about not getting a turn on the carousel.
A resource becomes more valuable as it becomes more scarce.
It has to be a prosperous free market to enhance peace.
