docdes98 call papers december 17 18 1998 tilburg university host first international conference document design conference address research design informative instructive persuasive texts aim aim conference bring together researchers interested document design working field discourse studies cognitive linguistics educational psychology speech communication technical documentation communication science social psychology cognitive psychology marketing communication contributions organizers invite contributions document design decisions choice message variables affect function use informative instructive persuasive documents methodologies methodologies used may range experimental corpus analytical case studies message variables may concern content structure style layout audience deadline abstracts may 15 1998 information visit website http cwis kub nl fdl research tw docdes98 index htm contact document design98 kub nl