The assessment of library activities within the context of a communication model results in assessments focused on how libraries can help people inform themselves, create their own orders, and establish their own understandings.
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Dervin, Brenda. 1977. Useful Theory for Librarianship: Communication, Not Information. Drexel Library Quarterly 13(3): 16-32.
A good reminder that the important data to gather and evaluate is the kind that will ultimately have a meaningful impact on the user of the library’s services.