How to motivate a child
Punishment and reward. If they don't do as told, take away something or don't allow to go somewhere. If they do as they are supposed to then they can! It's not that difficult, it does require a consistent effort on the part of the parent.
Depends on the child. Candy, music, money, possessions, or field trips somewhere.
Introduce the child to Jesus.
to harsh punishments will give children depression like what I had wait did a child go on here and put the rewarding ones fun?