I'm afraid I can't suggest suitable individual differences tests but I can tell you that we have found large differences in people's ability to perform simple spatial tasks in VEs (e.g., estimate directions) and to navigate complex large-scale VEs. If you've got any questions along those lines then please let me know cheers roy ------------------------------------------------------------------------ Roy Ruddle, Senior Research Associate Cardiff Virtual Environment Laboratory School of Psychology, Cardiff University, PO Box 901, Cardiff CF1 3YG Tel: +44 (0) 1222 874000 x5030, Fax: +44 (0) 1222 874858 Email: Ruddle@CARDIFF.AC.UK http://www.cf.ac.uk/uwcc/psych/ruddle ------------------------------ Date: Tue, 3 Jun 1997 09:03:01 -0700