With any scientific process, there

With any scientific process, there is no such ideal as total proof or total rejection, and researchers must, by necessity, work upon probabilities. That means that, whatever level of proof was reached, there is still the possibility that the results may be wrong. Therefore, writers need not only good judgment about data while making highlight statements about data, but also good presentation of judgment. Thus, they have two requirements. One is the need to be cautious—and sometimes critical-about the data. As Skelton (1988) neatly observed, "It is important for students to learn to be confidently uncertain." The other requirement is to have the linguistic resources to express this caution. In ways of qualifying or moderating a claim