Glossary
Proofing vs training: what is the difference?
A dog that sits perfectly in the living room and ignores you at the park has not forgotten anything. It was trained, but not proofed. The two words get used interchangeably, yet they describe separate jobs. Here is what each means, a worked example with the down-stay, and how proofing fits into the way we teach.
Last reviewed October 4, 2026
Two separate jobs
Teaching the skill versus making it hold anywhere.
Training is the acquisition phase: the dog learns what a cue means, usually somewhere quiet, with markers and rewards making the right answer obvious. Proofing comes after. It deliberately changes one variable at a time, often described as the three Ds of distance, duration and distraction, plus new locations, so the dog learns the cue means the same thing everywhere. Many dogs do not generalize well on their own, which is why proofing is its own stage.
Take a down-stay. Training is getting the dog to lie down on cue and hold it for a few seconds on the living-room rug. Proofing is asking for that same down on the back deck, then with a ball rolling past, then with you stepping back a few paces, then on a patio with people walking by. Each step raises one difficulty at a time. If the dog breaks, you make the next rep easier, not louder.
- Change one variable at a time
- New locations, not just rooms
- Distance, duration, distraction separately
- Lower difficulty after a mistake
Where it fits
Real-world proofing in our programs, and shortcuts that backfire.
Real-world proofing is a named part of our method, not an optional extra. In the board and train programs, skills are taught with markers and rewards first, then carried into new settings and around everyday distractions during daily one-on-one work. Functional Off-Leash centres on reliable recall around distractions, and Advanced Off-Leash adds commands at distance and public manners. The handover lesson then shows owners how to keep proofing, because skills travel with the person holding the leash.
The classic shortcut is jumping from the kitchen straight to the hardest setting, then deciding the dog is stubborn when it fails. Another is raising distance, duration and distraction all at once. Some owners stop practising once a cue works at home, and others repeat a cue louder instead of making the setup easier. A dog who used to respond and suddenly stops may also deserve a vet check, since discomfort can look like disobedience.
Asked and answered
The questions people ask us.
What does proofing mean in dog training?
Proofing means practising a behaviour the dog already knows in new places and with added distraction, distance and duration, so the cue works outside the training room. It comes after the behaviour is learned, not instead of it.
Why does my dog listen at home but not outside?
Often the behaviour was trained at home but never proofed elsewhere, so the dog does not yet recognize the cue in a busy setting. Go back to an easier outdoor spot and build up one difficulty at a time.
When should I start proofing a command?
Start once your dog responds reliably to the cue in a quiet, familiar place. Then change one variable at a time, keeping each step easy enough that the dog succeeds.
Is proofing the same as generalization?
They are closely linked. Generalization is the dog understanding that a cue applies in many contexts, and proofing is the deliberate practice that builds it.
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Skills that travel with you
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