As Einstein once said “the definition of insanity is to keep doing the same thing over and over again expecting a different result".
For most amateurs golf practise has been proven to be a complete waste of time and effort, whether this be at your local driving range or practice ground.
Have you been stuck at the same level for a long time? Well, poorly thought out or ineffective practise habits could be the single most significant factor in your lack of improvement.
How about giving this a go:
Make your practise more difficult than the game. Aiming to a wide area is not beneficial, find the smallest possible specific targets.
Sir Don Bradman, famous Australian cricketer had a batting average of 99.94 (world record by a significant margin) and he used to practise throwing a golf ball against a wall and hitting it with a stump.