Glossary
What are the three Ds (distance, duration, distraction) in dog training?
A stay that holds in the kitchen and collapses at the park is not a stubborn dog. It is a skill that was only ever practised at one level. The three Ds give you a way to grow it in measured steps instead. Here is the definition, a down-stay example worked through all three, and where the idea sits in how we train.
Last reviewed October 4, 2026
Defined simply
Three dials, turned one at a time.
Distance is how far you are from the dog while the behaviour holds. Duration is how long it holds before you release. Distraction is everything else: a dropped glove, a squirrel, a jogger, a passing cyclist. Each one is a separate dial of difficulty. When you turn one up, you turn the other two down for a while, so the dog is only learning one new thing. Once that level is steady, the dials come back together.
Say the down-stay holds for a full minute beside you in the living room. To add distance, step back two paces, but cut the time to a few seconds and keep the room quiet. To add distraction, return to your dog's side, keep the time short, and drop a glove nearby. Only when each dial holds alone do you combine them, a little at a time. If the dog breaks, go back to the last level that worked.
- Distance: how far you stand
- Duration: how long it holds
- Distraction: what competes for attention
- Raise one, ease the others
Common slips
Proofing in the real world, and the shortcuts that backfire.
Real-world proofing is part of our published method, and the three Ds are how it stays orderly. A place command, a sit-stay or a recall is first taught with markers and rewards in a quiet setting, then stretched across each dial on its own before it meets the busy version of the world. We show owners the same approach during handover, so the dials keep turning at home after the program ends.
The shortcut that backfires most is raising two dials at once: walking across the yard while asking for a longer stay, or practising at a busy park on day one. The dog fails, and the owner reads it as defiance. Another is only ever adding difficulty, never easing back, so every rep is the hardest yet. A third is releasing the dog after it breaks rather than before. End on a success you set up.
Asked and answered
The questions people ask us.
What are the 3 Ds of dog training?
Distance, duration and distraction. They are the three ways a behaviour gets harder, and each one is built separately before they are combined.
Which D should I work on first?
There is no single correct order. Duration is a sensible place to begin, because a behaviour that cannot last a few seconds will struggle once distance or distraction is added. Adjust if one dial is clearly harder for your dog.
Why does my dog's stay break when I walk away?
Often because distance went up while duration stayed the same or grew. Shorten the stay sharply as you add steps, and release before the dog breaks.
Do the three Ds apply to recall?
Yes. Recall gets harder with distance from you, with how long the dog has been off exploring, and with what it is leaving behind. Practise each on a long line before combining them, and keep the dog safe while you do.
Keep reading
Stay only holds at home?
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