In it, an individual changes its behavior because of the consequences (results) of the behavior. The person or animal learns its behavior has a consequence. That consequences may be. Reinforcement: a positive or rewarding event.
Moved on to cats and wilful action. Built series of devices to put cats in a, "puzzle box" with how many times he puts the cat in the puzzle box. After every trial cats got faster until they couldn't get any faster. CSUCS; Action- Consequence.
Strengthen behavior you want to train, but got to reinforce immediately when doing the behavior. Secondary reinforcer, something quicker such as toy. Pavlovian conditioning, prepare secondary reinforce with primary reinforce (Secondary ReinforcerPrimary Reinforcer) The toy noise equals dog yummy for roughly a dozen times, then once reinforced you can train it to do whatever you want. Establish target behavior, but don't reinforce initially.
Reinforce small step in that direction. Keep raising requirement once prior requirement is met. Shape target behavior by little successions until the target behavior is obtained.