Reward should not be available apart from the practice sessions Be consistent. Do not use love as a reward. Love must always be given, regardless of performance. If love and affection are given only when the child has done well, she may feel that it will be withdrawn if she does poorly. That is not what you mean to convey, but that is frequently a child's interpretation.
Constant feedback is of primary importance to progress.
Possible Rewards. . . Pennies are added and subtracted for correct or incorrect positions. Follow successful practice or lesson with favorite game, trip to park, walk, friend over. Child understands this means no time wasted and a positive attitude. Child gets to stay up past designated bedtime the same number of minutes practiced.