Most of the time, CO150 students are freshmen or sophomores. However, students who have serious reading and writing troubles will often go against the advice of their advisors and will come to your class at the "last minute," i.e. as a second semester senior. Often, this student will have gone through a writing center tutorial, but will wait to sign up for composition several semesters after that tutorial is over. Writing Center consultants have the advantage of a copy of the student's CO150 placement exam (often the graders will mark the exam with "LD" if they suspect that the student might have one). Tutors, then, have the advantage of suggesting that students with possible LDs take the "LD section of CO150.
Obviously, writing center tutors will also have an advantage over classroom teachers in observing a student's process. In one-on-one tutorials, we can look very closely at the ways a student handles a reading or writing project. However, here are some basic "symptoms" to watch for in your writing classroom: