Using the smartphone in class: use cases

Use case: Asking a question

A student (the user) wants to ask a question to the teacher about the course in the classroom. But he is afraid other students will laugh at him, so he asks it using his smartphone.

• Pre-condition: the user is in the classroom and has the app running
• Post-condition: the question is asked and added to the question list which is viewable by the teacher
• Main scenario:

1. The user indicates he wants to ask a question by touching the 'ask question'-icon on his smartphone screen
2. The screen shows a textline and a keyboard
3. He inputs the question about the course using the keyboard on the screen
4. The question is added to the question list

Use case: Answering a question from a colleague

A student (the user) wants to answer some questions of his colleagues.

• Pre-condition: the user is in the classroom and has the app running
  
• Post-condition: the question list is updated (the answered questions are updated with an answer)
• Main scenario

1. The user indicates he wants to see the question list by touching the 'question list'-icon on his smartphone screen
2. The screen shows the question list, all questions asked by the user and his colleagues
3. The user touches the 'answer'-icon next to a question he thinks he knows the answer to
4. The question list is updated
   (Steps 3 and 4 are repeated until there are no questions left the user can answer to)

Use case: Voting on a question

A student (the user) wants to see the question list and vote on questions that he finds are interesting.

• Pre-condition: the user is in the classroom and has the app running
• Post-condition: the question list is updated (all questions the user voted for have received an extra vote)
• Main scenario

1. The user indicates he wants to see the question list by touching the 'question list'-icon on his smartphone screen
2. The screen shows the question list, all questions asked by the user and his colleagues
3. The user touches the 'vote'-icon next to a question he finds interesting
4. The question list is updated
   (Steps 3 and 4 are reapeated until there are no questions left that the user finds interesting)

Use case: Asking a poll to the students

The teacher (the user) wants to start a poll, u multiple-choice question to check whether the students are paying attention and understand the course.

• Pre-condition: the students in the classroom have the app running
• Post-condition: the poll has been asked, and is sent to the smartphones of the students
• Main scenario:

1. The user indicates he wants to start a new poll by touching the 'poll'-icon on his smartphone screen
2. A poll list is seen on the screen of the user
   (It is more likely that the teacher has created these polls at home, rather than having to make them during his lecture. For this there should be an extra use case for creating a poll, or sending a poll from laptop to smartphone for example)
3. The user chooses one of the polls
4. The poll is sent to the students' smartphones

Use case: Answering a poll

A student (the user) wants to answer a poll that is given by the teacher.

• Pre-condition: the user is in the classroom and has the app running
• Post-condition: the user has answered the poll and the poll is updated
• Main scenario:

1. A message pops up indicating that there is a new poll from the teacher
2. The user touches the screen at the message and the poll shows up
3. The user answers the poll by touching the right answer on his screen
4. The choice is sent back to the teachers smartphone and there the poll is updated