Marian Breland Bailey played a major role in developing empirically validated and humane animal training methods and in promoting their widespread implementation.[14] Marian was a graduate student under B.F. Skinner. Her first husband Keller Breland also came to study with Skinner and they collaborated with him, training pigeons to guide bombs. The Brelands saw the commercial possibilities of operant training, founding Animal Behavior Enterprises (ABE). In 1955, they opened the "I.Q. Zoo" as both a training facility and a showcase of trained animals. They were among the first to use trained animals in television commercials, and the first to train dolphins and whales as entertainment, as well as for the navy.[14] Keller died in 1965, and in 1976 Marian married Bob Bailey, who had been director of marine mammal training for the navy. They pioneered the use of the clicker as a conditioned reinforcer for training animals at a distance.[13] ABE went on to train thousands of animals of more than 140 species.[14] Their work had significant public exposure through press coverage of ABE-trained animals, bringing the principles of behavior analysis and operant conditioning to a wide audience.[15]

The 1980 television series Training Dogs the Woodhouse Way made Barbara Woodhouse a household name in the UK, and the first international celebrity dog trainer.[27] Known for her "no bad dogs" philosophy, Woodhouse was highly critical of "bad owners", particularly those she saw as "overly sentimental".[28] She described the "psychoanalyzing of dogs" as "a lot of rubbish".[29] Her no-nonsense style made her a pop-culture icon, with her emphatic "sit" and catch cry of "walkies" becoming part of the popular vernacular.[30]
Motivational training has its roots in captive animal training, where compulsion and corrections are both difficult and dangerous, and ignoring bad behavior is not problematic as the animal lives under controlled conditions. As a dog training strategy, purely positive training is feasible, but difficult, as it requires time and patience to control the rewards the dog receives for behavior. Some activities such as jumping up or chasing squirrels are intrinsically rewarding, the activity is its own reward, and with some activities the environment may provide reinforcement such as when the response from dog next door encourages barking.[61]

Puppies would much rather play with leaves and bugs than go potty, if you aren’t there to see that you won’t know your pup needs to go back into his crate and come out again 5-10 minutes later! He will learn to sneak away, and have accidents inside. If you leave him outside for an extended period of time, chances are when you bring him back in he will need to go outside again soon or have an accident.

Put your puppy in a crate or a safe area whenever you can’t supervise him. Always, always remember to take your puppy to his or her potty spot when they have to go! If they’re going in multiple areas, or a wide range, then A) you are more likely to stumble upon an unpleasant surprise while walking around your yard; and B) it’s easier for your puppy to create another potty spot by creating a habit of eliminating somewhere off-limits.

Millan's first job in the United States was at a dog grooming store. He later created the Pacific Point Canine Academy. Jada Pinkett Smith became one of Millan's first clients and supporters when he was working as a limousine driver,[6] providing him with an English tutor for a year.[17][18] Subsequently, Millan created the Dog Psychology Center, a two-acre (0.81 ha) facility in South Los Angeles, specializing in working with large breed dogs.[23]
Most people don’t have a problem being very clear about when they are unhappy with their dogs, but, they often ignore the good stuff. Big mistake! Make sure you give your dog lots of attention when he’s doing the right thing. Let him know when he’s been a good boy. That’s the time to be extra generous with your attention and praise. It’s even okay to be a little over the top.
It's an exciting time when you bring your new puppy home, but a new pet also comes with challenges. One of the first and biggest challenges that you may face is that of potty training. Some puppies will learn this quickly, while others will struggle with it for a while. During this training period, always remember to be patient, remain calm, and be consistent. If you stay positive and follow these guidelines, potty training can be a simple process.
It’s human nature to look for what’s wrong and take what’s right for granted. But we need to do the complete opposite with our puppies. Always reward and praise good behavior and ignore the things that go wrong. This is especially true with potty training process accidents. Bathroom mistakes are inevitable with puppies, so please don’t overreact and frighten or punish your pup.
Introduce your new pup to its new home, family and their role. Just like when you are new to a place or group, your new pet may be bursting with curiosity, excitement, fear or joy. Now is the best time to lay out the foundation for a good and pleasant relationship with your pet. For a puppy to settle in and learn to trust and respect you and everyone at home, it is very important to establish your expectations of your puppy and be consistent with them.
Potty training seems like a daunting task! It really does. I know people who avoid getting puppies just to skip this process, and in some ways I totally understand that! Puppies really are a LOT of work, and it is not just potty training! It can be varying aspects of housebreaking, teaching your puppy manners, making certain that it is well socialized, addressing early issues like persistent whining or separation anxiety before they become permanent problems, and tons of more areas to make sure that your puppy is on track to being a happy, healthy, well-behaved dog.
Consistency is crucial. This may mean taking time off work to be there to take the pup outside every 20-30 minutes when they are awake. Crate training will also help the 'penny drop' as it teaches the pup to hold on until taken outside. Then, be sure to stay with the pup in the yard so you are there to reinforce how clever they are when they do go in the right place.

One of the easiest ways to prevent accidents is learning to recognize when your puppy needs to go out. Most puppies will sniff the ground when they’re getting ready to potty, but there are many other more signals that happen prior to sniffing. Puppies that pace, seem distracted and walk away from play are subtly signaling that they have to go out. If your puppy tries to sneak out of the room, take a potty break right away.
If you’re like me and have trouble keeping up with your pup at all times try using a tether. You can buy a tether from the pet store or simply do what I did and use a long lead or leash. If tethering your pup to you at all times is what it takes to make sure they’re not sneaking off then go for it. If you’re not keen on keeping your dog tethered you can use baby gates or closed doors to restrict your dogs access to the whole house.
In October 2012, Millan appeared on The Alan Titchmarsh Show. Titchmarsh called his methods "cruel" and "unnecessary", citing a video in which, Titchmarsh said, Millan punched a dog in the throat. Millan called it a touch, not a punch. Titchmarsh read out an RSPCA statement saying that "Adverse training techniques which have been seen to be used by Cesar Millan can cause pain and fear for dogs and may worsen their behavioural problems."[38][39] Writing in the British newspaper Metro, features writer, Andrew Williams, described the interview as the first time that Titchmarsh has "deviated from his usual interview strategy – which runs the gamut from mild to wild sycophancy" and described him as "probably the only celeb Millan has failed to win over..."[40]
In May 2010, after his dog Daddy died in February and he learned of his wife's intent to divorce him, Millan attempted suicide.[42] In June 2010, Ilusión Millan filed for divorce.[43] In August 2010,[44] he began a relationship with Jahira Dar,[45][46][47] an actress and former stylist and wardrobe consultant.[48] They announced their engagement in April 2016.[48]
In the 1950s Blanche Saunders was a staunch advocate of pet-dog training, travelling throughout the U.S. to promote obedience classes.[17] In The Complete Book of Dog Obedience, she said, "Dogs learn by associating their act with a pleasing or displeasing result. They must be disciplined when they do wrong, but they must also be rewarded when they do right."[24] Negative reinforcement procedures played a key part in Saunders' method, primarily the jerking of the choke chain. The mantra taught to students was "Command! Jerk! Praise!" She felt that food should not be an ongoing reward, but that it was acceptable to use "a tidbit now and then to overcome a problem." Saunders perhaps began the shift away from military and police training methods, stressing repeatedly the importance of reinforcement for good behaviour in training—a move toward the positive training methods used today.[25]
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