Categories: Academic Tips, Learning English

How to Write an Introduction

How To Write An Introduction

A good paper introduction is fairly formulaic. If you follow a simple set of rules, you can write a very good introduction. The following outline can be varied. For example, you can use two paragraphs instead of one, or you can place more emphasis on one aspect of the intro than another. But in all cases, all of the points below need to be covered in an introduction, and in most papers, you don’t need to cover anything more in an introduction.

Paragraph 1: Motivation. At a high level, what is the problem area you are working in and why is it important? It is important to set the larger context here. Why is the problem of interest and importance to the larger community?

Paragraph 2: What is the specific problem considered in this paper? This paragraph narrows down the topic area of the paper. In the first paragraph you have established general context and importance. Here you establish specific context and background.

Paragraph 3: “In this paper, we show that …”. This is the key paragraph in the intro – you summarize, in one paragraph, what are the main contributions of your paper given the context you have established in paragraphs 1 and 2. What is the general approach taken? Why are the specific results significant? This paragraph must be really really good. If you can’t “sell” your work at a high level in a paragraph in the intro, then you are in trouble. As a reader or reviewer, this is the paragraph that I always look for, and read very carefully.

You should think about how to structure this one or two paragraph summary of what your paper is all about. If there are two or three main results, then you might consider itemizing them with bullets or in test (e.g., “First, …”). If the results fall broadly into two categories, you can bring out that distinction here. For example, “Our results are both theoretical and applied in nature. (two sentences follow, one each on theory and application)”

Paragraph 4: At a high level what are the differences in what you are doing, and what others have done? Keep this at a high level, you can refer to a future section where specific details and differences will be given. But it is important for the reader to know at a high level, what is new about this work compared to other work in the area.

Paragraph 5: “The remainder of this paper is structured as follows…” Give the reader a roadmap for the rest of the paper. Avoid redundant phrasing, “In Section 2, In section 3, … In Section 4, … ” etc.

A few general tips:

  • Don’t spend a lot of time into the introduction telling the reader about what you don’t do in the paper. Be clear about what you do do, but don’t dwell here on what you don’t do.
  • Does each paragraph have a theme sentence that sets the stage for the entire paragraph? Are the sentences and topics in the paragraph all related to each other?
  • Do all of your tenses match up in a paragraph?

Omni Article contributed by Jim Kurose

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