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2:1 Do Not Display Unsolicited Windows or Graphics

Relative Importance:

Relative Importance rating of 5 out of 5

Strength of Evidence:

Strength of Evidence rating of 3 out of 5

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.