Answer:
The major categories of financial institutions include central banks, retail and commercial banks, internet banks, credit unions, savings, and loans associations, investment banks, investment companies, brokerage firms, insurance companies, and mortgage companies.
Explanation:
The answer is Persian Gulf
After the surprising finding, the researcher decides to conduct the same study in her lab which is an example of experimental research.
Experimental research is research that involves two sets of variables. One of the sets of the variable is constant which is further used to determine the difference with the second set of variables.
Experimental research is based on a scientific research design that tests a hypothesis by experimentation. It uses one or more independent variables on one or more dependent variables.
Experimental research is conducted over time in a controlled environment. In the question, the researcher is conducting the research in her lab which is a controlled environment. It is also given in the question that the study she has heard about was conducted in a month.
Therefore, the researcher will replicate the same study through experimental research.
Learn more about experimental research here brainly.com/question/17009178
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