Page 227 - Educational Technology A Primer for the 21st Century

220 12 Design Methodology

Appendix 1 (continued)
Appendix 5
Serial Detailed scenario description Function extraction
No.
2 1. When reading books, the shortsighted Sight distance detection;
Student A starts to pay attention to eye Sight distance reminding
protection to avoid sight drop
2. A learns that the sight distance from
eyes to books shall be 1–1.5 chi length
and estimates the sight distance
3. But A is worried about his sight
distance is not accurate, and he often
gets closer after reading for a while, and
he has no idea. (pain point)
3 1. Student B is worried about the Customized sight distance
damage to his eyes with short sight
distance
2. B sets the comfortable and clear sight
distance for himself, and adjusts the
distance, and he feels more comfortable
than before. (pleasant point)
4 1. Student B moves the screen several
times when he uses the 101 school party
and customizes the sight distance, to
adjust to a suitable range
2. But the system does not give the
reminding that this is within the
scientific range, and B is not sure if the
sight distance he sets is reasonable, and
he is confused.
5 1. The shortsighted Student A adjusts Measurement of sight distance
the distance to see if he can see clearly forbidding of screen sleeping
when he was measuring sight distance
with the schoolmate party
2. However, later, the screen turns down
before the end of the test. A is troubled
to unlock the screen and make it turn on
again. (pain point)
6 1. Student B changes the sight distance Recover to default reminding sight
for several times when he uses the 101 distance
schoolmate party, and wants to find out
the sight distance suitable for him
2. But B cannot find out the suitable
sight distance after several times of
modification, and he wants to recover to
the default reminding sight distance
3. But the system does not provide the
option of recovering to the default
value; B is confused and has no idea
about the ideal sight distance. (pain
point)
(continued)