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沙发
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发表于 2012-5-31 05:46:09
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Writing a Literature Review
What is a Literature Review?
A literature review is a survey and discussion of the literature in a given area of study. It is a concise overview of what has been studied, argued, and established about a topic, and it is usually organized chronologically or thematically. A literature review is written in essay format. It is not an annotated bibliography, because it groups related works together and discusses trends and developments rather than focusing on one item at a time. It is not a summary; rather, it evaluates previous and current research in regard to how relevant and/or useful it is and how it relates to your own research.
A Literature Review is more than an Annotated Bibliography or a summary, because you are organizing and presenting your sources in terms of their overall relationship to your own project.
Purpose
A literature review is written to highlight specific arguments and ideas in a field of study. By highlighting these arguments, the writer attempts to show what has been studied in the field, and also where the weaknesses, gaps, or areas needing further study are. The review should therefore also demonstrate to the reader why the writer’s research is useful, necessary, important, and valid.
Audience
Literature reviews can have different types of audiences, so consider why and for whom you are writing your review. For example, a lot of literature reviews are written as a chapter for a thesis or dissertation, so the audience will want to know in what way your research is important and original. Highlighting the gap in knowledge which your research aims to fill is particularly important in this instance because you need to convince the reader that there is an opening in the area of study. A literature review in a proposal will similarly try to convince the audience of the significance and worthiness of the proposed project. In contrast, when you are writing a literature review for a course, your professor may want you to show that you understand what research has been done, giving you a base of knowledge. In this case, you may not need to focus as much on proving where the gaps in knowledge lie, but rather, that you know what the major areas of study and key ideas are.
Questions a Literature Review Should Answer:
Asking questions such as the following will help you sift through your sources and organize your literature review. Remember, the literature review organizes the previous research in the light of what you are planning to do in your own project.
What's been done in this topic area to date? What are the significant discoveries, key concepts, arguments, and/or theories that scholars have put forward? Which are the important works?
On which particular areas of the topic has previous research concentrated? Have there been developments over time? What methodologies have been used?
Are there any gaps in the research? Are there areas that haven't been looked at closely yet, but which should be? Are there new ways of looking at the topic?
Are there improved methodologies for researching this subject?
What future directions should research in this subject take?
How will your research build on or depart from current and previous research on the topic? What contribution will your research make to the field?
Length
The length of a literature review varies depending on its purpose and audience. In a thesis or dissertation, the review is usually a full chapter (at least 20 pages), but for an assignment it may only be a few pages.
Structure
There are several ways to organize and structure a literature review. Two common ways are chronologically and thematically.
Chronological: In a chronological review, you will group and discuss your sources in order of their appearance (usually publication), highlighting the changes in research in the field and your specific topic over time. This method is useful for papers focusing on research methodology, historiographical papers, and other writing where time becomes an important element. For example, a literature review on theories of mental illness might present how the understanding of mental illness has changed through the centuries, by giving a series of examples of key developments and ending with current theories and the direction your research will take.
Thematic: In a thematic review, you will group and discuss your sources in terms of the themes or topics they cover. This method is often a stronger one organizationally, and it can help you resist the urge to summarize your sources. By grouping themes or topics of research together, you will be able to demonstrate the types of topics that are important to your research. For example, if the topic of the literature review is changes in popular music, then there might be separate sections on research involving the production of music, research on the dissemination of music, research on the interpretation of music, and historical studies of popular music.
No matter which method you choose, remember: Within each section of a literature review, it is important to discuss how the research relates to other studies (how is it similar or different, what other studies have been done, etc.) as well as to demonstrate how it relates to your own work. This is what the review is for: don’t leave this connection out! |
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发表于 2012-5-31 05:45:14
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