The three types of persuasive strategies are logos, ethos and pathos, or L.E.P. The most effective persuasive communication usually has a mix of all three strategies. Logos uses logic or reason to reach a conclusion, while ethos depends upon the credibility of the author or source as support for action.
Peer reviewers can look at your draft with fresh eyes and make sure you writing is the best it could be. They can also make quick notes about you draft.