Comment:
the size should be14 (Times new Roman) for headings and main topics, and 12 for other lines.The margins should be 2.5 each up and down -right and left.
3- please write brief introduction about 200 words.
4- please write short summary of 200 words about the article
5-APA style for references
6- use the data in the excel file which is attached to you
7-You may use the attached articles as references and you can write up to 20 references