New task instructions with scenarios -- HCI Group Project

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Date Posted: 02:26:23 08/15/02 Thu
Author: Li
Subject: New task instructions with scenarios

Portland State University CS 560 Human Computer Interaction Project: Highly Accessible MP3

Task Instructions

Background for task 1 - 3
Imagine you are Karen, a 70-year-old female. You are now out shopping for an MP3 player this afternoon. You have never owned one yourself, but have seen your grandson with one. You want to try out all the features offered in a few players, so that you would be able to compare between the players available, before you settle to buy one. You pick up one of these players, with the brand name �Highly Accessible MP3�, and start to try it out.

Task 1: Turn on the machine.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. Did you locate the power button immediately? Yes No
Notes:

2. Did you think that the marking on the power button is easy to read?
Yes No
Notes:

3. Do you notice the LCD flash on when you turned the player on?
Yes No
Notes:

4. Did you notice the LCD screen? Yes No
Notes: If yes, Can you describe what was displayed immediately after you turned it on?

Task 2: You decide that you want to listen to 107FM. Please do so.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. Did you locate the mode button immediately? Yes No
Notes:

2. Is the mode button clearly marked? Yes No
Notes:

3. Did you find it difficult to switch to FM mode? Yes No
Notes:

4. Did you locate the tuner immediately?
Notes: (if not where did you look for it first - notes)

5. How did you figure out that the station has been tuned to?
Notes:

Task 3: Imagine that some time has passed and now you decide that you want to listen to an MP3 song. Please go ahead and listen to the song titled XXXX.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. Did you have to switch to MP3 mode? Yes No

2. Did you know the track number of song XXXX? Yes No

3. Did you locate the scroll buttons fairly easily? Yes No

4. Did you notice that the songs were highlighted? Yes No
Notes:

5. Were you able to select the song fairly easily? Yes No
Notes:

Background for task 4 � 7:
Imagine you are Karen, a 70-year-old female. You do some light exercise regularly. Recently you bought a MP3 player, and you decide to bring it with you while running. You turn on the MP3 player, put on the headphone and go out. You start running (or walking).

Task 4: Now you want to now listen to the first MP3 song. Please go ahead.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. Which buttons did you use? Scroll buttons Forward/Back buttons

2. How did you figure that you have reached the first song? Looked at LCD Other
Notes:

3. Which button did you use to play the song? Play button Select button
Notes:

Task 5:
The volume is a little loud, please go ahead and turn it down.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. Were you able to locate the volume button easily?

2. Did you notice the LCD?

Task 6:
You have to run. Please proceed to tell me how you would bring the device with you so that you could still listen to it.
Notes:

Taks 7: You are bored with music. Now turn the player OFF.
Did you figure out that the Power button can be used to turn off as well ?
Yes No
Notes:

Background for task 8 - 12
Imagine you are John, a 60-year-old male. You are retired but you are writing a book. You have a MP3 player and you listen to it while working on your book. This afternoon, you turned on your computer as usual, and start writing. Your MP3 player is in the desk near the computer.

Task 8:
Go ahead and turn on the machine and plug in the headphones.
Notes:

Task 9:
You decide that you want to play XXXX. Please proceed to do so.
Notes:

Task 10:
Now the song is not quite loud enough for you to hear it comfortably. Go ahead and turn up the volume. Can you tell, aside from hearing the device, how loud the volume is? How?
Notes:

Task 11:
You are tired of listening to this song and want to skip to the very next track, please go ahead.
Notes:

Task 12:
Now imagine that you get a phone call. You do not want to lose your place in the song. Can you do anything about that? Do you know where you are in the song?
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. Did you notice that the play/pause buttons are the same?
Yes No

Background for task 13 - 16
Imagine you are John, a 60-year-old male, and you have a MP3 player. It is a warm summer evening. You decide to go out to sit in the balcony for a while to enjoy the breeze and the stars. You take your favorite MP3 player in your right hand. You go to the balcony and sit down. You turn on your MP3 player and start listening.

Task 13:
The song has finished and you want to go to song # 8 because your friend said that when he or she recorded the songs they recorded one of your favorites as track number 8.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

1. How did you locate the track number you were at?
Notes:

2. How did you detect that you have been able to select the song?
Notes:

Task 14:
Next, let us pretend that you want to listen to the radio. Your favorite station is 100 AM. Please go ahead and turn the radio on and move to that station.
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult

Notes:

Task 15:
Can you tell how much battery life the device still has in it?
Rate the task�s difficulty for us:

Trivial Easy Hard Very Difficult
Notes:

Task 16:
You have to go to bed. Please go ahead and turn off the machine. Assume that the battery is low. Describe how you would recharge it while you are asleep. This will complete this scenario. Thank you.
Notes:

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