solved Discuss the purpose of the study and the problem(s) studied

Discuss the purpose of the study and the problem(s) studied and/or research question(s) identified. 
Literature       
Provide a summary of the literature review discussed in the study.  
Was the background literature reviewed relevant to the study’s purpose? 
Research Design           
Discuss the design of the research study by responding to the following questions: 

What are the hypotheses or research questions being addressed? 
Describe the method(s) used to answer the research questions or support/reject the hypotheses. 
Discuss the sampling method(s) used. 
Are the participants described in adequate detail? 
Was the sampling method appropriate to the study purpose?
Discuss reliability and validity as it relates to your study.

Research Findings  
Describe the methods of data analysis.  
What were the findings of the study? 
Research Conclusions        
What did the study conclude?  
Were any limitations of the study identified?  
Discuss how the information provided in the article is useful in the topic you plan to study.