What is the research question? What research method is being used? How a

 
What is the research question?
What research method is being used?
How are the subjects chosen (explain the parameters & how many)
What are the results of the study?
What are the recommendations?
What is your opinion? 
Your references must be within the last five years, and websites are unacceptable. I am looking for scholarly research – peer-reviewed journal research articles.