https://pdfs.semanticscholar.org/ca94/5980c84bf0d041180f4bcbc53acfec953d86.pdf?_ga=2.181180903.1552378089.1582118538-163449460.1582118538

Read this article . 

Answer these two Questions: 

1-What is the main topic of this research?why was this worth investigating?

2- how were data analyzed?what finding were produced . 

Pleased put the question and answer below it . Keep it very short , as long as you answer no words limit.