A very clear statement of the question is essential to proving that you have made an original and worthwhile
contribution to knowledge. To prove the originality and value of your contribution, you must present a
thorough review of the existing literature on the subject, and on closely related subjects. Then, by making
direct reference to your literature review, you must demonstrate that your question (a) has not been
previously answered, and (b) is worth answering. Describing how you answered the question is usually
easier to write about, since you have been intimately involved in the details over the course of your
graduate work.
" . . . .
[Read the complete essay]