The opening paragraph of the introduction should be one or two paragraphs long. The entire introductory section including the opening paragraph, literature review, and research questions should be. of the total length of the research paper.7. WRITE AN INTRODUCTION. Usually a brief overview of the subject of the research, the introduction should define the subject, the scope of the bibliography and whether it is intended to cover the whole range of opinions or just one point of view or aspect. Check your topic outline or check with your professor what should be included in the paper, Can the introduction be two paragraphs, yes. The introduction is one paragraph. That's the whole rule. That said, it could be two paragraphs, it could be ten paragraphs, and it could be a page. The length of your introduction depends on several factors: who you are writing for, how much time you have to write, the level of detail you want. An introductory paragraph has three parts, in this order: Tip: Grab the reader's attention with a comment, question, ation, or humorous remark related to the topic. Context: Give context.