1. Human and Computer Interaction (H.C.I.) &Communication Skills
Lecture (6)
Prepared by
Dr. Dunia Hamid Hameed

2. Feedback for Users
All systems require feedback to monitor and change behavior. Feedback usually compares current behavior with predetermined goals and gives back information describing the gap between actual and intended performance.

3. Feedback Is Needed to Tell the User That: • The computer has accepted the input. • The input is in the correct form. • The input is not in the correct form. • There will be a delay in the processing. • The request has been completed. • The computer is unable to complete the request. • More detailed feedback is available (and how to get it).

4. Types of Feedback
1. Acknowledging Acceptance of Input. 2. Recognizing That Input Is in the Correct Form. 3. Notifying That Input Is Not in the Correct Form.

5. 4. Explaining a Delay in Processing. 5
4. Explaining a Delay in Processing . 5. Acknowledging That a Request Is Completed . 6. Notifying That a Request Was Not Completed . 7. Offering the User More Detailed Feedback

6. A Variety of Help Options:
1.“Help” originally started as a response to the user who pressed a function key, such as F1. or the pull-down help menu.
2. Context-sensitive help.
3. when the user places the arrow over an icon and leaves it there for a couple of seconds.
4. A wizard, which asks the user a series of questions and then takes action accordingly.

7. 5. Software manufacturers offer online help (either automated or personalized with live chat). 6. Help lines (most customer service telephone lines are not toll free, however). 7. Users can seek and find support from other users through software forums.