Table 3: Excerpt of the prioritized action points list. It shows the type (D: design/I: interface), the frequency (number of occurrences), the spread (number of users affected), and the priority they were given according to these two numbers.

PriorityActionTypeFreq.Spread

1Rearrange the tutorials (shortening and skipping)D288
2Remove “none of the above” featureD238
3Unify “close dialog” interactionsI375
4UI tweaking (color schemes, minor layout changes, etc.)I226
5Review wordingI136
6Improve mouse clicking accuracyI114
7Improve handout contents (remove unnecessary sections)I114