2:1 Do Not Display Unsolicited Windows or Graphics
Strength of Evidence:
Document Type: Guideline
General User Experience
Do not have unsolicited windows or graphics 'pop-up' to users.
Users have commented that unsolicited windows or graphics that 'pop up' are annoying and distracting when they are focusing on completing their original activity.
Ahmadi, M. (2000, October). An evaluation of an instant messaging pilot program. National Cancer Institute, Communications Technologies Branch.