Question

Roona wants to determine whether drinking green tea causes weight loss. Which of the following types of research methods should Roona use?
a. descriptive research
b. correlational research
c. experimental research
d. observational research

Answer 1

Answer:

D

Explanation:

drinking green tea may even help you lose weight. The caffeine and catechins it contains have been shown to boost your metabolism and increase fat burning (9, 10 ). Overall, studies indicate that consuming green tea can help you burn an additional 75–100 calories per day

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Answer 2

The types of research methods that  Roona should use is c. experimental research.

Experimental research is of paramount to researcher.

Experimental research is a type of research where a researcher tend to carryout experiment on something in order to watch  and know what the cause and effect of the experiment carried out will be.

Therefore based on the information  Roona should make use of Experimental research which is a form  of practical research as it will help him to know whether the intake of green tea lead to weight loss.

Inconclusion The types of research methods that  Roona should use is c. experimental research.

Learn more about experimental research here:

https://brainly.com/question/18243642