This is an excellent article that clearly demonstrates through research what we R+ (positive reinforcement) trainers have known for a long time. Using force to get behaviour or applying punishment to get rid of inappropriate behaviours has a real impact on your relationship with your dog.
Aversive training does not help the dog to problem solve, in fact it does the opposite. It can shut the down the dogs desire to try anything new for fear of punishment.
Whether you understand the 4 quadrants of operant conditioning or not this article explains the process. Have a read!