Either a pen, marker or a pencil may be used. For best results, ensure that the students make full, dark marks to mark the answer ovals.

For multiple-choice tests: If using a pencil, the student may cleanly erase the mistake and bubble the desired choice. If using a pen, the student may use ...

Unlike some other systems, GraderJoe uses an optical method to grade tests. This allows for any pencil or pen to be used as long as the mark is dark. Howeve...