Both articles are differently organized because of different kind of target audience. Wilson uses coherent paragraph structure in which sentences and ideas are arranged in logical order. There are no topic sentences in her article. Therefore, one sentence follows naturally from preceding one. She uses narrative rhetorical pattern throughout entire article to engage the readers. She targeted the audience who knows little or nothing about the topic. Wilson uses anecdotal soft evidences including various expert opinions, examples and illustrations. She also uses transition contrasting points such as in other words, instead etc. However, Barnes et al. organized their article using unified paragraphs structure and they focus on only one main idea