id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eblip-19527	Tenopir, Carol	Building Evidence of the Value and Impact of Library and Information Services: Methods, Metrics and ROI	2013.0		.htm	text/html	2607	120	48	Bruce Kingma of Syracuse University, principal in the LibValue project, describes three different types of library value, including: 1) Economic (private) value, e.g., what is the value to an individual to use the library resources?; 2) Social (public) value, e.g., what is the value to the institution of the library?; and 3) Environmental (externality) value, e.g., what is the value of the environmental savings of library provision of electronic resources?   Another way to categorize types of value measurements in libraries is to consolidate these measures into: 1) measures of “implied” value, such as the value that is measured from usage statistics (people download the library e-resources, therefore value of these collections is implied); 2) “explicit” measures of value that come directly from testimonials (for example, how access to a special collection helped an author complete a book) or value that constituents ascribe to the library and describe in interviews, focus groups, or questionnaires; and 3) “derived” measures such as ROI or contingent valuation measures that are calculated on a combination of implied, explicit and other sources of evidence (Tenopir, 2012). The evaluation and measurement of library services. 	cache/eblip-19527.htm	txt/eblip-19527.txt
