Understanding how interfaces affect users

Understanding how interfaces affect users

1. affective

   • refers to producing an emotional response
   • affective computing
     • a computer that recognize and express emotions
   • expressive interfaces
     • dynamic icons
       • a recycle bin expanding when a file is placed into it
     • animations
       • a bee flying across the screen indicating that the computer is doing something, like checking files
     • spoken messeges
       • using various kings of voices, telling the user what needs to be done
     • various sounds indicating actions and events

2. user frustation

   • an applications doesnt work properly
   • a system doesnt do what the user wants
   • error messages pop up that are vague, obtuse or condemming
   • bad disign
     • gimmicks
       • when a users expectations are not met and they are instead presented with a grimmicky display
     • error messages
       • when a system or application crashes and provides an unexpected error message
     • overburdening the user
       • upgrading software so that users are required to carry out excessive house-keeping taks
     • appearance
       • when the appearance of an interface is unpleasant

3. debate

   • the applications of anthropomorphism to interaction design
     • the motion: the use of anthropomorphism in interaction design is an effective technique and should be exploited further
     • Background: is a phenomenon where people add attribute of human qualities to inanimate objects or animals.
     • agree: are a harmless bit of fun
     • against: are downright deceptive

4. agents

   • kinds of agents
     • synthetic characters
       • 3D characters, can appear as first-person avatar ir a third person
     • animated agents
       • similar but they tend to be designed to play a collaborating role at the interface. tutors, wizards and helpers to help the user
     • Emotional agents
       • whit a predefined personality and set of emotions that are manipulated by users
     • embodied conversational interface agents
       • recognizing and responding to verbal and non-verbal input
       • generating verbal and non-verbal output
       • coping with breakdowns, turn-taking and other conversational mchanisms
   • General design concerns
     • believability of virtual characters
       • to extent to which users interacting whit an agent come to believe that is has its own belifs
     • appearance
       • parsimony and simplicity are key
     • behavior
       • how good are they at pointing out relevant objects on the screen to the users
     • made of interaction
       • towards emulating human conversation as much as possible

5. Naomi Macias Honti a01282098