Yes, but it helps, as others have said, to train her ear without the dots, too. I grew up with both and started playing voilin at age eight. When I finally started to play fiddle a bit, I could NOT follow the dots as they did not agree with what my ear had heard my dad playing all of those years, so I ignored them.

I don't agree that an eight year old is automatically not very well co-ordinated, though. I believe it depends on the child.