id author title date pages extension mime words sentence flesch summary cache txt istl-2476 Percentile-Based Journal Impact Factors: A Neglected Collection Development Metric .html text/html 4985 302 54 Abstract Various normalization techniques to transform journal impact factors (JIFs) into a standard scale or range of values have been reported a number of times in the literature, but have seldom been part of collection development librarians' tool kits. Introduction Librarians have long consulted journal impact factors (JIFs) in making journal acquisition and cancellation decisions. cache/istl-2476.html txt/istl-2476.txt