"It is harder to teach these skills" (White). After say this White follows up her argument by including a quote from Roderick Nunn, vice chancellor for economic development and workforce solutions at St. Louis Community College "It is hard to correct a lifetime of bad habits in a short period of time" (Nunn). White backs up her saying by including this saying from an expert in the field, by including information from professional experts, college grads can get the opinions from these professionals. White is also a reliable author because she works for TIME Magazine, she is a known author for this magazine and has written many different strong articles. White's credibility is shown greatly throughout her article and readers can know to trust her