Answer:
exchange theory
Explanation:
Exchange theory: In sociology, the term "exchange theory" or "social exchange theory" is described as a perspective that generally explains social stability and change as a particular process of negotiating exchanges between parties. The exchange theory possesses that all human beings relationships are being formed by utilizing the "comparison of alternatives" and the "subjective cost-benefit analysis".
In the question above, Gabriel utilizes the exchange theory to analyze his research.
