In this article
  1. What the experiments actually measured
  2. One: avoid the delayed telling-off
  3. Two: avoid bringing the dog back for a confrontation
  4. Three: avoid making the face your training plan
  5. Respond to the actual problem
  6. Check whether anything harmful was swallowed
  7. Get help with the pattern you are seeing

You come home to a torn cushion, a puddle or a suspiciously open cupboard. Your dog lowers their head. It is tempting to treat the next few seconds as a confession and deliver a short household lecture.

Research gives a good reason to pause: the behaviours people call a guilty look can follow the owner's response, regardless of whether the dog ate a forbidden treat. The expression is a poor basis for deciding what happened.1

What the experiments actually measured

Alexandra Horowitz's 2009 experiment involved 14 pet dogs. Owners told dogs not to eat a treat, left, and were sometimes misinformed about whether it had been eaten. More guilty-look behaviours appeared during scolding than friendly greetings. The effect of scolding was stronger when dogs had not eaten the treat.1

The study examined behaviour in a particular setup, not the existence of guilt as an inner experience. Its author explicitly cautioned against concluding that dogs cannot feel guilt.1

A 2015 study tested 96 dogs and owners in Croatia. Researchers varied whether dogs ate forbidden food and whether food was present when the owner returned. Owners observed without speaking or touching for ten seconds, then judged whether the dog had eaten it. Their answers did not distinguish the conditions better than chance.2

That result concerns how greetings were perceived by owners, not an independent coding of every greeting movement. The authors also considered whether the experimenter's presence affected dogs' memory of the instruction. These experiments give reasons to question a facial confession; they do not settle every question about canine emotion or memory.2

One: avoid the delayed telling-off

The RSPCA advises against punishment when you discover destruction or toileting after an absence. Its guidance explains that a dog may associate the unpleasant return with the owner coming home, while increased anxiety can worsen separation-related problems. This is welfare guidance, not a finding from the guilty-look experiments themselves.3

It also describes how a dog previously told off at homecoming may lower their head and body, flatten their ears or tuck their tail. An owner may then read those responses as further evidence of wrongdoing. The charity recommends letting the dog outside and dealing with the mess without shouting or physical punishment.3

If you have already reacted, you can still change the next arrival. There is no benefit in conducting a second, more convincing lecture. Think about what you need to sort out now, and leave the training decision until you can describe the problem without an argument attached to it.

Two: avoid bringing the dog back for a confrontation

Dragging a dog over to a mess or rubbing their nose in it adds an unpleasant event. In a US referral-clinic survey of 140 owners, nobody supplying a usable effect rating reported a positive effect from nose rubbing. Only a small number had tried it, so this was not a controlled test of house-training methods.4

The same survey linked several confrontational methods with reported aggressive responses. The dogs already had behaviour problems, owners recalled past events and the sequence of cause and effect was uncertain. It cannot supply a bite probability for the average dog, but it does not justify escalating a confrontation over a household accident.4

You do not need to show your dog the evidence again. If the damaged item is safe to clear up, do the practical part and make a note of the circumstances. If safety is uncertain, use the hazard guidance below before treating the incident as an ordinary training setback.

Three: avoid making the face your training plan

AVSAB's humane-training guidance recommends arranging the environment to reduce opportunities for unwanted behaviour and rewarding useful alternatives. It supports routines and boundaries taught without fear, pain or intimidation. A clear plan starts with an action you can change or teach, rather than a demand for a more convincing expression of regret.5

For example, you might move tempting belongings into a closed cupboard and offer an appropriate activity in a safe area while you practise the alternative. That is an application of environmental management. Make the arrangement workable for everyone at home, including the person who tends to leave their shoes by the door.5

Replace the interrogation

Do

  • Arrange the environment to make appropriate behaviour easier.5
  • Reward the useful response you want to see again.5

Don’t

  • Use fear or physical force to teach a household rule.5
  • Expect a distressed dog to learn through intimidation.5

A useful note might say shoes were accessible during a long meeting, or the usual toilet trip did not happen. Those are descriptions you can work with. Greedy, spiteful and guilty leave you with a much less practical to-do list.

Respond to the actual problem

For toilet accidents, Dogs Trust recommends more frequent opportunities outside and rewarding the dog promptly after they finish in the right place. Stay calm during the trip. Clean indoor accidents thoroughly with an appropriate enzymatic cleaner while the dog is occupied elsewhere, and avoid punishment.6

New or recurring indoor toileting can involve health, anxiety, routine changes or other causes. A previously reliable dog needs a vet check when the pattern changes. Dogs Trust stresses that changes in urine, bowel habits, thirst, appetite or comfort belong in that conversation; an accident is a sign to investigate, not a diagnosis.6

You could write down when the accident was found, the last known toilet opportunity and anything else that changed that day. These notes can help frame your conversation, without assuming the cause before an assessment. Keep the description broad enough to include the possibility that more than one factor is involved.

Check whether anything harmful was swallowed

A wrecked object is also a reason to check what may be missing. PDSA lists socks, stones, toys and bones among items that can cause gut blockages, and household substances can poison dogs. Looking comfortable after the event does not establish that a missing piece is harmless.7

Explain what you know and what you do not. PDSA recommends calling even if you are unsure whether a harmful item was eaten. An urgent assessment can take priority over cleaning up or finding a training explanation; the face your dog makes cannot answer that safety question.7

Get help with the pattern you are seeing

If the problem happens during absences, the RSPCA recommends observing video for signs such as pacing, trembling or whining and seeking veterinary advice for unsettled behaviour. Recording is for understanding a normal absence, not arranging a longer or more distressing one to obtain evidence.3

For aggression, worsening anxiety or sudden behaviour change, start with your vet and qualified behaviour support.5

The RSPCA recommends health assessment and behaviourist referral for aggression. Avoid the circumstances that trigger it while you get help, and do not punish growling: suppressing warnings can leave the feeling of threat unresolved and increase the risk of escalation.8

If there is uncertainty about safe handling, tell the practice before the appointment. The RSPCA advises working out which circumstances cause aggression and avoiding them in the short term. You do not need to recreate a troubling interaction for a video or prove that it can happen twice.8

The next homecoming can be quieter. Clear the practical problem, make the changes you can and bring the repeated difficulties to someone who can assess them with you.

Sources and further reading8 sources

The small numbers in the article link to the source behind each fact. Sources open on their own websites.

  1. Disambiguating the “guilty look”: Salient prompts to a familiar dog behaviourBehavioural Processes
  2. Are owners’ reports of their dogs’ ‘guilty look’ influenced by the dogs’ action and evidence of the misdeed?Behavioural Processes
  3. Training your dog to be left aloneRSPCA
  4. Survey of the use and outcome of confrontational and non-confrontational training methods in client-owned dogs showing undesired behaviorsApplied Animal Behaviour Science
  5. Position Statement on Humane Dog TrainingAmerican Veterinary Society of Animal Behavior
  6. Dog peeing or pooing in the house: how to helpDogs Trust
  7. My dog has eaten something harmfulPDSA
  8. Aggression in dogsRSPCA