I believe the answer is theoretical model
A theoretical model is the foundation that could be held to support a certain theory for a certain research or study.
From the example above, the study is build on a foundation that both behavior and environmental factor could affect the subjects' overall health
Mencius' political philosophy basically results from an extension of his doctrine of moral feelings. As he told the rulers, “If you let people follow their feelings (original nature), they will be able to do good” (Mencius 6A6). When Xunzi later attacked Mencius, one of his arguments was based on the concept of natural feelings.
A degree in veterinary science after a bachelors degree