HCI Dimension | Specifics | Indicator(s) |
Interaction frequency | Number of interactions per time unit | Mouse clicks and mouse moves per second or per session |
Information density | Number of information units per space unit | Number of words per message or on the display |
Information/Interaction parallelism/order | Sequence of appearance of information units | Number and sequence of dialog steps (e.g. number of message boxes used to indicate one system error) |