The two tasks used in the laboratory study of Google SketchUp. ... In the aquot;roomaquot; task (bottom, left), we asked participants to ensure that the room was 10ft. high, and that the doorway was 6 ft. 3 in. high. ... Steps included (1) manually discarding participants whose data were unusable, (2) automatically extracting episodes andanbsp;...
|Title||:||Backtracking events as indicators of software usability problems|
|Author||:||David Light Akers|