ABSTRACT
Library staff identified the need for a tool to demonstrate the worth of the expertise and the return on investment of the library and its professional staff. The Medical Decision-Making tool was adapted to identify the purpose, the complexity (measure of cognitive labor), and the time required to conduct research. Two years of data show a majority of research requests (89%) are of low to moderate complexity, and require between 1 and 3 hours (53%). These metrics demonstrate the value of librarian expertise and provide a measure of the return on investment in professional library staff for organization leadership.