Curmudgeon wrote:
My niece is receiving guitar lesson at school. usualy once a week. she practises at least an hour a day
Would this be enough to teach her to play????
If it's an hour of structured practice every day then that's good going. If it's 30 minutes of practice towards specific goals and 30 minutes of noodling then that's still pretty good going.
The thing is that it be organised practice, aimed at specific improvements. 60 minutes a day of repeating what you can already do would not be as beneficial.