http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Content includes measures that are easy to use (and I have used many of them). It is comprehesive, covering everything from facilities use to user opinion. It provides examples, sample forms, calculation instructions, etc. Although it is focused on academic libraries, there are many effectiveness measures that can be adapted to other types of libraries.
Nancy A. Van House, Beth T. Weil, Charles R. McClure
Evaluation,Statistical methods,Evaluation,Statistical methods