In the article of cultural diversity and how it impacts interaction process and performance of groups. Watson, who is the author of the writing, uses lots of rhetorical skills to support his arguments on how important it is to have culturally diverse group in tasks. He used mostly logical ways to appeals his idea throughout the paragraphs by stating some logical statement and also providing charts of research. First of all, Warren E. Watson is a man who study and research in University of North Texas to write this article about how effective it is to have cultural diverse group in many different tasks. He also worked with other professional people in other university to come with this article which make his writing to sound more credible