Amanda Spink has published a few papers on this e.g. Bernard J. Jansen and Amanda Spink "An analysis of Web searching by European AlltheWeb.com users" Information Processing & Management, Volume 41, Issue 2, March 2005, Pages 361-381 (shows that of 957,303 Alltheweb searches they examined in 2002, 33% used one term and 33% used 2. The authors examined about half that number of search queries in 2001 and the figures were 25% (1 term) and 36% (2 terms) Sheila vfghjhkjkj --------------------- Sheila Webber, Senior Lecturer, Department of Information Studies, University of Sheffield, Regent Court, 211 Portobello Street , Sheffield S1 4DP, UK. Email [log in to unmask] Tel. (0044) 0114 222 2641 Information Literacy blog - temporary home at - http://information-literacy.blogspot.com/