It reports the finding of an empirical study (not a literature review), ∑ It includes firsthand data based on at least 50 individuals/units/observations ∑ It is published in a scholarly journal with a publication date no more than five years before the beginning of the current semester (i.e. not more than 7 years old) ∑ The published length of the article is at least 11 pages, not including references and