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Teacher Frontend

HTML/JS webapp running on the teacher's laptop.

UX Design Wireframes: Datei:EduBuzzer InteractionDesign Version0.1.pdf

List of possible applications:

Application "RAISE YOUR HANDS"

  • I. Application start:
    • Teacher poses question to the class
    • Presses the "start" button in the frontend
    • Buzzers change status (e.g. pulsing LEDs) as a sign that users can press button to raise their hands
  • II. During the timeout period:
    • as soon as a user presses a button on his or her buzzer
    • the buzzer changes status (different LED signal)
    • the frontend displays each buzzer status change
  • III. Timeout end
    • either automatic or teacher hits the "stop" button in the frontend
    • buzzers change their status to show that time is over
    • computer changes random buzzer
    • selected buzzer changes status (e.g. plays sound, yellow LED flashes)
    • user with selected buzzer answers the teacher's question

IV. Evaluate answer

    • The teacher presses one of the following buttons in the frontend:
      • correct answer
        • buzzer changes status to reflect "correct answer"
        • app returns to start screen
      • incorrect answer, start new timeout
        • buzzer changes status to reflect "wrong answer"
        • app returns to start screen
      • incorrect answer, select new random buzzer (this option is disabled if there aren't any buzzers left that have pressed a button)
        • buzzer changes status to reflect "wrong answer"
        • new selected buzzer changes status to "answer please"


    • enable to vote on a topic without raising your hand in front of the class which ultimately leads to a more honest voting behaviour
    • enables vote mechanisms that are hard to do with paper like multiple choices and ratings on preferred solutions as in "I'd like option A but if we don't get enough votes for that, option B would be my second favourite."


    • teams of pupils can be chosen by a random generator this would take the social stress off the teacher as in "i dont want to be in a group with this guy.." "..the computer has chosen ist fair"
    • games would be possible where groups compete and if a group performs better it has to let a member go into another group
    • also the opposite is possible where the best performing group gets new members..


    • if a pupil doesnt know the answer he could "ask the audience" and the kids could press what they think is the right answer..


    • this will probably not be in version 0.1 as it needs a lot of work that is unrealistic to be implemented with the very short deadline of 2 months
    • teacher should be able to have a live on-stage test where the kids can answer questions with multiple choice pushbutton modes
    • multiple choice tests are not very common in europe so we need to spend research on this subject


    • maybe something like the werewolf game
    • the remote choses who is the wolf and the others have to find out who it is by talking to each other on a round based system


    • multiple stations are layed out around the classroom
    • students go from station to station, plug in their ibutton, push a button to put in their solution to the quest presented at this station, go to next station