What part of writing this paper took the most time?
Perhaps you had trouble finding a topic or expressing a particular idea. Maybe you agonized over a single word or phrase. Be specific when you answer this question.
What is the most significant difference between your first draft and this final version?
Explain if you changed your approach to the subject, if you reorganized the paper in any significant way, or if you added or deleted any major details.
What do you think is the best part of your paper?
Explain why a particular sentence, paragraph, or idea pleases you.
What part of this paper could still be improved?
Again, be specific. There may be a troublesome sentence in the paper or an idea that isn't expressed as clearly as you would like it to be.