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Evaluating Demand-Driven Acquisitions by Laura Costello

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Chapter 6

Assessing for Usage

Abstract

Usage is often one of the first and most compelling arguments for ebook demand-driven acquisitions (DDA) programs. DDA programs have demonstrated use and ebooks are able to be used more and record more uses than print books, so this measure is frequently used to demonstrate the value of DDA to library stakeholders and others in the profession. What do we really know about usage? This chapter carefully considers the difference between print and ebook circulations and then offers some examples from the research to illustrate typical and atypical DDA usage across and within particular disciplines. Usage is a complex issue and different for every library, so this chapter helps libraries create benchmarks and craft ...

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