IRIS 42: Information and Research Instruction Suite for two-year colleges

the c in aspect stands for coverage

How thoroughly is your topic covered?

Is the information new? Does it support what you have found in other sources?

Is the source comprehensive or inclusive enough for your needs?

Does this source provide information that is relevant to your needs?

Some databases use the term relevance to indicate how well the source covers your topic. The example below shows a search for the topic "no child left behind." Notice that the titles under "Most relevant" look more useful than the titles under "Highly relevant," "Very relevant," and "Other relevant." THis list of sources shows how some databases will let you sort by titles that are most relevant through least relevant
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