id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
crl-12918	Saracevic, T.; Shaw, W. M.; Kantor, P. B.	Causes and Dynamics of User Frustration in an Academic Library	1977	12	.pdf	application/pdf	6640	323	62	Therefore, library user performance is a most ap- propriate choice for attempts at im- provement. It is argued that the branching analysis for the combination of effects and the particular measures derived are universally applicable for studying these aspects of library performance. ... a well-stocked, well supported, and allegedly well balanced library can routinely thwart its patrons on nearly half of their quests 1 IN THE LATE 1960s a new type of li- brary study emerged, oriented toward ~ibrary effectiveness and involving mod- els and measures of · performance found in operations research, systems engineering, and related fields.	cache/crl-12918.pdf	txt/crl-12918.txt