Christopher Gillen’s chapter “The Data Suggest” in They Say/I Say (2014, p 202), the chapter talks about different scientist, and how they use the argumentative method of writing when they defend their scientific claims. The example given “They say that objects have properties of both waves and particles, I say they are wrong.” (p. 203) Statistic data and facts are very important in scientific writing to keep their credibility intact. The author gives examples on starting with data which is the start of a scientific argument then moves to examples about theories and if you can prove them. Next is to provide examples of explaining the methods and finally summarizing the findings. At the end they need to make sure to put their own arguments