IAT 432 Study Guide - Final Guide: Usability Inspection, Usability, User Interface
29 Apr 2015
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Usability inspection method that is used to see if an existing interface complies with specific design principles. Pros: catch many problems with few guidelines guidelines easy to remember and applied quick and relatively inexpensive feedback can get feedback early end users not required assigning correct heuristic can help suggest correct measures. Cons: doesn"t go after subtleties not a simple checklist requires experienced and trained experts requires aggregation of results between multiple experts. Nielsen"s 10 heuristics always inform the user about how: it is interpreting user"s input: visibility of system status (feedback) >10s, user will want to perform other tasks while waiting. How is the system interpreting my actions? e. g. cursors for short delays; progress bars for long delay response time: how users perceive delay. 1s, flow of thought uninterrupted, but delay is noticed. 10s, limit for keeping user focused: match between system and real world (metaphor) use the user"s conceptual model.
