Using the research article attached, provide an overview of the study and describe the strategy that was used to select the sample from the population. Evaluate the effectiveness of the sampling meth

Using the research article attached, provide an overview of the study and describe the strategy that was used to select the sample from the population.  Evaluate the effectiveness of the sampling method selected. Provide support for your answer. 

Using the same study, Identify three key questions you would ask and answer when reading the research study and why these questions are important.  

Answer in approximately 500 word minimum.