- Discussion
For questions 1-4, refer to the following scenario:
A group decision system is being built over a network, which has inherent
delays due to network lag. Suggest the longest acceptable amount of time the
delay could last without affecting the user negatively. Provide an argument for
the time you selected.
- System confirming the user's
password when logging on.
- Synchronous group editing of
a document.
- Asynchronous critiquing of
other participants' work
- Voting on serious issues.
- Provide an argument
explaining why delays should be kept short for everyday tasks of a user,
using short-term and working memory as the basis for your argument.
- Discuss
three human values that are necessary to be understood by interface
designers in order to ensure high quality of service.