...Michael C. Head; Rita Marcella; Judith M. Smith Reports on a further study using unobtrusive testing of public library reference services in Scotland by undergraduates at Robert Gordon University. For this survey, a specific item of business information on a well‐known Scottish company...

...Kenneth Whittaker A survey is presented of the use of unobtrusive testing techniques to measure reference enquiry answering performance, emphasising research carried out in Britain. British studies reveal similar performance figures to those obtained by American studies; the average succes rate...