How many minutes do you practice each day?
5-15 minutes
16-30 minutes
31-45 minutes
46-60 minutes
> 60 minutes
How old are you?
7-8
9
10-11
12-13
14-15
older than 15
How many minutes do you hear your CD each day?
5-15 minutes
16-30 minutes
31-45 minutes
46-60 minutes
> 60 minutes