Reports on a study that assessed key issues affecting public library roles in the use of nonbibliographic Internet information services and explored possible future roles for public libraries in the National Research and Education Network (NREN). (19 references) (EA)

Discusses issues relating to the reliability, validity, utility, and information value of unobtrusive testing of library reference services; provides suggestions for practical applications of these criteria; applies study findings to library decision making and planning; and identifies topics for further methodological refinement. (Author/CLB)