The practice of requiring users to register prior to receiving permission to access data files is increasing among distributors of data. In a message posted on the IASSIST discussion list on September 8, 2005, Libbie Stephenson mentioned various forms of registration employed by data distributors. She has heard it argued that such practices have become barriers to data access and are increasing the cost of research. She asked the IASSIST community if anyone has evidence of registration practices actually increasing the cost of research, whether such costs are related to time, staff, hardware, software or some other aspect of research. more...