Eric, there were studies done a few decades ago using factual questions. Here's a critical round-up of some of the studies: http://www.jstor.org/stable/25828215 Basically, 40-60% correct, but possibly the questions were not representative -- so possibly the results are really worse :( kc On 4/5/16 1:11 PM, Eric Lease Morgan wrote: > I sincerely wonder to what extent librarians give the reader > (patrons) the right -- correct -- answer to a (reference) question. > Such is a hypothesis that can be tested and measured. Please show me > non-antidotal evidence one way or the other. --ELM -- Karen Coyle [log in to unmask] http://kcoyle.net m: +1-510-435-8234 skype: kcoylenet/+1-510-984-3600