Usage Profiles –
designing for several profiles is difficult
Novice Users
–Arrive with anxiety è inhibits learning
–Use familiar vocabulary
–Restrict choices and keep number of actions small
–Informative feedback
–Constructive, specific error messages
Knowledgeable Users
–Stable task concepts
–Broad knowledge of interface concepts
–Difficulty retaining structure of menus and location of
features
–Orderly organization of menus
–Emphasize recognition instead of recall
–Consistency helps user rediscover and fill in the
missing pieces
Expert Users
–Thorough knowledge of task and interface concepts
–Seek to get work done quickly
–Demand rapid response times
–Macros