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11.07 Abstract or summary

A report to be published as an article in a learned or scientific journal usually has an abstract, following the table of contents. It should be no more than 150–200 words long and be suitable for reprinting in a journal or collection of abstracts. An abstract is considered part of the preliminary matter. A summary, if needed, may run to several pages and is considered part of the body of the report. It may appear at the very beginning of the report proper or serve as a closing section at the end. Some reports may contain both an abstract and a summary.

The abstract or summary is prepared after the report is written and often by someone other than the author. It briefly indicates the purpose of the report, the method followed and observations made and, sometimes, the conclusions and recommendations. Its purpose is to enable a prospective reader to determine quickly whether the report contains useful information.