Libraries and information agencies depend heavily on statistics to describe their services, evaluate their activities, and measure their performance. In the data gathering on which statistical analysis depends, there are always assumptions and uncontrolled variables that interfere with the purity and objectivity of the data, and therefore…

This manual has been designed as a practical guide to quantifying and measuring the results, or outputs, of public library service to children. The basic output measures presented are tailored to reflect library services to children (defined as persons 14 years old and younger) and their care givers. Six categories of measures are presented: (1)…

As resources become more constrained in the library community, many organizations are finding that they need to have a better understanding of their costs. To this end, this article will present one approach to conducting a cost analysis (including questions to ask yourself, project team makeup, organizational support, and data organization). We…

Reports findings of a Statistics Task Force investigation at New York University's Bobst Library, which reviewed the collection and publication of statistics and data related to library reference and information services and use of resources, and developed a framework for inclusions, definitions, procedures, and policies for data collection and…