Make sure that every piece of writing has a unified main idea (or central focus,or main point,or thesis,or central theme,or whatever you want to call it);make sure an essay is coherent and logically developed,and that it contains adequate support for its assertions. Make sure that every paper balances the students' own ideas with the data obtained from sources. Make sure that every piece of writing has a unified main idea (or central focus, or main point, or thesis, or central theme, or whatever you want to call it); make sure an essay is coherent and logically developed, and that it contains adequate support for its assertions.  Make sure that every paper balances the students ’ own ideas with the data obtained from sources