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An essential skill in any research project is to carry out a literature search. Usually this will be best achieved using keywords. The key data in all scholarly publications consist of the title, the abstract, which is a summary of 100 to 250 words, and the keywords that are listed with the data about the article. By inserting keywords into any search engine, it is possible to obtain a comprehensive list of scholarly research reports, dissertations and conference papers, books and monographs. One popular search engine is Google Scholar. Another major database for researchers is the ‘ISI Web of Knowledge’. This contains a large selection of peer-reviewed publications from journals with a proven track record of high-quality publications. Examples of the results from searches of the health psychology literature are shown in Figures 7.1 and 7.4.