Melissa must conduct "causal research".
Causal research falls under the class of conclusive research, as a result of its endeavor to uncover a circumstances and end results connection between two factors. Like descriptive research, this type of research endeavors to demonstrate a thought set forward by an individual or association. Be that as it may, it essentially varies on the two its techniques and its motivation. Where descriptive research is expansive in degree, endeavoring to more readily characterize any feeling, demeanor, or conduct held by a specific gathering.