I believe that would be C. Academic
Hope it helps!
Answer: Quantitative
Explanation:
Quantitative method can be defined as method which can be used in the social science, natural science. In this method systematic models , graphs and charts are used to demonstrate the experiment.
Here, the experiment is done to prove that the population having pets have healthier lifestyles as compared to the population having no pets.
So, here quantitative method is used for this experiment.
