Dog Training Techniques Positive Reinforcement

Positive reinforcement training is a scientifically validated approach that strengthens desired behaviours by delivering a rewarding consequence immediately after the behaviour occurs. Unlike aversive methods that rely on punishment or corrections, positive reinforcement focuses on building a cooperative relationship between dog and handler. This article provides a comprehensive, evidence-based review of positive reinforcement techniques for canine behaviour modification, drawing on current research and veterinary consensus guidelines.

Quick Q&A

Question: How does positive reinforcement compare to aversive training in terms of dog welfare?

Answer: Multiple studies show that dogs trained with reward-based methods exhibit fewer stress-related behaviours and a more optimistic affective state compared to those exposed to aversive techniques [6, 7, 9]. The American Veterinary Society of Animal Behavior (AVSAB) and the AVMA recommend positive reinforcement as the preferred approach for both effectiveness and welfare.

The Science Behind Positive Reinforcement

Positive reinforcement is grounded in operant conditioning, a learning theory described by B.F. Skinner. When a behaviour is followed by a favourable consequence, the likelihood of that behaviour recurring increases. In canine training, the reinforcer may be food, play, praise, or access to a preferred activity. The timing and consistency of reinforcement are critical; the reward must be delivered within seconds of the desired action to create a strong association [20].

Research by Vieira de Castro et al. (2020) compared companion dogs trained with reward-based methods versus those exposed to aversive tools such as choke chains or electronic collars. Dogs in the aversive group displayed higher cortisol levels and more stress signals (lip licking, yawning, lowered posture) during training sessions [9]. A follow-up study confirmed that reward-trained dogs learned tasks just as efficiently as mixed-method dogs, but without the negative welfare impacts [7]. These findings align with the AVMA’s position that training should prioritise animal welfare and minimise fear, pain, and distress.

Individual Differences in Learning

Dogs vary in their responsiveness to different reinforcers. Payne et al. (2023) used paired- and multiple-stimulus-without-replacement preference assessments to identify high-value rewards for individual dogs. They found that systematic preference testing improved training outcomes by ensuring the reinforcer was truly motivating [3]. Veterinary behaviourists recommend conducting brief preference assessments before starting a training programme, especially for anxious or under-socialised dogs.

Positive Reinforcement versus Aversive Methods

The debate between reward-based and aversive training has been largely resolved by scientific evidence. Aversive methods (e.g., leash corrections, electronic collars, verbal scolding) are associated with increased aggression, fear, and pessimistic cognitive biases. Casey et al. (2021) demonstrated that dogs whose owners used two or more aversive techniques were more likely to display pessimistic judgments in ambiguous situations, indicating a negative affective state [6]. In contrast, dogs trained solely with positive reinforcement showed no such bias [10].

Furthermore, a study by Blackwell et al. (2012) estimated that 12-13% of UK dog owners had used electronic collars, often citing convenience or perceived effectiveness. However, owner-reported success was no higher than for reward-based methods, and collars increased the risk of behavioural problems [19]. The Federation of Veterinarians of Europe (FVE) and the CVMA have both issued position statements opposing the routine use of aversive devices.

Welfare Implications for Shelters and Rescues

Positive reinforcement is particularly valuable in shelter environments, where dogs may already be stressed. Katz and Rosales-Ruiz (2022) described a constructional fear treatment that taught fearful shelter dogs to approach and interact with a novel person using only positive reinforcement. Dogs progressed from avoidance to voluntary proximity without any use of force, demonstrating the method’s efficacy for anxiety-related behaviours [5]. Similarly, Thorn et al. (2006) successfully conditioned shelter dogs to sit using food rewards, reducing the need for physical manipulation [20].

Core Techniques in Positive Reinforcement Training

1. Clicker Training (Marker-Based Training)

Clicker training uses a small device that makes a distinct clicking sound to “mark” the exact moment a correct behaviour occurs. The click is then paired with a primary reinforcer (usually food). This technique improves precision because the click can be delivered more quickly than a treat. Cimarelli et al. (2021) investigated partial rewarding during clicker training and found that naïve dogs did not learn faster when only some responses were rewarded, and they developed a pessimistic-like affective state under partial reinforcement [10]. Therefore, continuous reinforcement (every correct behaviour rewarded) is recommended for initial learning stages. The AVMA supports marker-based training as a safe and effective method.

2. Shaping

Shaping involves reinforcing successive approximations toward a target behaviour. For example, to train a dog to lie down, the trainer first rewards any downward head movement, then lower posture, then full lying position. This technique is especially useful for complex behaviours such as retrieving objects or performing tricks. Shimabukuro et al. (2015) studied individual differences in problem-solving tasks and noted that dogs with prior shaping experience showed greater persistence during extinction and reacquisition phases [16]. Shaping reduces frustration and keeps the dog engaged.

3. Differential Reinforcement of Alternative Behaviour (DRA)

For undesirable behaviours like jumping or mouthing, DRA involves reinforcing an incompatible behaviour (e.g., sitting) instead of punishing the unwanted action. Davidson and Rosales-Ruiz (2022) used conditional discrimination training to reduce mouthing and jumping in a pet dog. They taught the dog to sit or offer a nose target when greeting people, and the frequency of jumping dropped to near zero [4]. This approach aligns with the principles of applied behaviour analysis (ABA), as reviewed by Pfaller-Sadovsky et al. (2019) for companion dogs [11].

4. Functional Analysis of Problem Behaviour

Before implementing any training plan, veterinarians and behaviourists often conduct a functional analysis to identify the triggers and consequences maintaining the undesired behaviour. For instance, a dog that jumps up may be reinforced by owner attention (even negative attention like pushing). Pfaller-Sadovsky et al. (2019) demonstrated that a functional analysis followed by DRA was more effective than arbitrary punishment for jumping up [11]. This mirrors the approach recommended in the Merck Veterinary Manual for managing behavioural disorders.

Addressing Specific Behavioural Problems

Aggression and Fear

Positive reinforcement is a cornerstone of behaviour modification for aggression. Tortora (1983) described a safety training protocol that eliminated avoidance-motivated aggression in dogs by teaching alternative coping behaviours through reward, without ever exposing the dog to a threatening situation [21]. Modern veterinary behaviourists, following AVMA and AAHA guidelines, use systematic desensitisation and counter-conditioning (DSCC) combined with positive reinforcement to treat fear-based aggression. For inter-dog aggression, Casey et al. (2013) found that contextual risk factors (e.g., resource guarding, leash restriction) could be managed through environmental modification and reward-based training [18].

Anxiety and Pessimism

Dogs exposed to aversive training show a “pessimistic” cognitive bias, judging ambiguous cues as negative [6, 10]. In contrast, reward-based training fosters an optimistic bias, improving overall quality of life. Krahn et al. (2024) demonstrated that pre-session discrimination training (a positive, predictive learning task) shifted dogs’ judgment bias toward optimism [1]. This suggests that even short positive training sessions can improve a dog’s emotional state. Veterinarians and veterinary surgeons should advise owners to incorporate daily positive interactions as part of a behavioural management plan for anxiety.

Mouthing and Jumping

As noted, conditional discrimination training using positive reinforcement effectively reduces these common adolescent behaviours. The key is to teach a replacement behaviour (e.g., sit, or touch a target) that is reinforced consistently. Owners should be counselled to avoid any form of physical punishment (e.g., kneeing the dog for jumping), which can exacerbate arousal or fear. The CVMA’s guidelines on canine behaviour emphasise that punishment is contraindicated for mouthing as it can lead to defensive aggression.

Practical Implementation and Owner Education

Identifying Effective Reinforcers

Not all dogs are equally motivated by food. Some prefer toys, petting, or access to sniffing. Payne et al. (2023) advocate for conducting a brief preference assessment at home: offer two or three potential rewards and observe which the dog consistently chooses first [3]. For dogs with low food drive, social reinforcers like a calm praise or a game of tug may be more effective. The FVE supports tailored reward selection as part of humane training.

Timing and Consistency

The reinforcer must be delivered within 0.5-1 second of the desired behaviour for maximum learning [20]. Using a marker word (“Yes”) or clicker bridges the delay. Owners should be trained to practice timing exercises (e.g., click for a nose touch) before progressing to real-life scenarios. Partial reinforcement (rewarding only some correct responses) should be introduced only after the behaviour is fluent, as it can otherwise induce frustration [10].

Avoiding Common Pitfalls

1. Overusing treats without fading: Once a behaviour is established, treats can be phased to a variable schedule while maintaining intermittent praise or life rewards (e.g., opening the door after the dog sits).
2. Luring too long: Luring (guiding the dog with a treat) should be faded quickly; if the dog only performs the behaviour when food is visible, the cue is not yet reliable.
3. Negative punishment (removing a reward) misapplied: Withholding a treat when the dog fails is not punishment; it simply provides no reinforcement. However, ignoring a behaviour (extinction) can cause an “extinction burst” where the behaviour temporarily worsens. Owners need to be prepared for this and persist.

Role of the Veterinary Team

General practice veterinarians and veterinary nurses are often the first point of contact for behaviour concerns. The AAHA Canine and Feline Behavior Management Guidelines recommend integrating behavioural assessment into every wellness visit. Positive reinforcement training should be recommended for all puppies, and for adult dogs exhibiting any unwanted behaviours. Veterinary surgeons should be familiar with local resources such as certified applied animal behaviourists (CAABs) or veterinary behaviourists (DACVB, ACVB in North America; EBVS specialties in Europe; ANZCVS in Australia).

In regions like Australia, where certain breeds are subject to restrictive legislation, positive reinforcement can be used to demonstrate responsible ownership and reduce the risk of behavioural euthanasia. The AVA supports reward-based training as the standard of care.

References

[1] Krahn, J., Azadian, A., Cavalli, C., et al. (2024). Effect of pre-session discrimination training on performance in a judgement bias test in dogs. Animal Cognition. https://pubmed.ncbi.nlm.nih.gov/39395092/

[2] Pluchot, C., Adriaensen, H., Parias, C., et al. (2024). Sheep (Ovis aries) training protocol for voluntary awake and unrestrained structural brain MRI acquisitions. Behavior Research Methods. https://pubmed.ncbi.nlm.nih.gov/38907122/

[3] Payne, S.W., Fulgencio, C.T., & Aniga, R.N. (2023). A comparison of paired- and multiple-stimulus-without-replacement preference assessments to identify reinforcers for dog behavior. Journal of the Experimental Analysis of Behavior. https://pubmed.ncbi.nlm.nih.gov/37199306/

[4] Davidson, M.A., & Rosales-Ruiz, J. (2022). Reducing the occurrence of mouthing and jumping in a dog through conditional discrimination training. Journal of the Experimental Analysis of Behavior. https://pubmed.ncbi.nlm.nih.gov/36121594/

[5] Katz, M., & Rosales-Ruiz, J. (2022). Constructional fear treatment: Teaching fearful shelter dogs to approach and interact with a novel person. Journal of the Experimental Analysis of Behavior. https://pubmed.ncbi.nlm.nih.gov/36121593/

[6] Casey, R.A., Naj-Oleari, M., Campbell, S., et al. (2021). Dogs are more pessimistic if their owners use two or more aversive training methods. Scientific Reports. https://pubmed.ncbi.nlm.nih.gov/34561478/

[7] Vieira de Castro, A.C., Araújo, Â., Fonseca, A., et al. (2021). Improving dog training methods: Efficacy and efficiency of reward and mixed training methods. PLoS One. https://pubmed.ncbi.nlm.nih.gov/33606822/

[8] Neilands, P., Kingsley-Smith, O., & Taylor, A.H. (2021). Dogs' insensitivity to scaffolding behaviour in an A-not-B task provides support for the theory of natural pedagogy. Scientific Reports. https://pubmed.ncbi.nlm.nih.gov/33441674/

[9] Vieira de Castro, A.C., Fuchs, D., Morello, G.M., et al. (2020). Does training method matter? Evidence for the negative impact of aversive-based methods on companion dog welfare. PLoS One. https://pubmed.ncbi.nlm.nih.gov/33326450/

[10] Cimarelli, G., Schoesswender, J., Vitiello, R., et al. (2021). Partial rewarding during clicker training does not improve naïve dogs' learning speed and induces a pessimistic-like affective state. Animal Cognition. https://pubmed.ncbi.nlm.nih.gov/32897444/

[11] Pfaller-Sadovsky, N., Arnott, G., & Hurtado-Parrado, C. (2019). Using Principles from Applied Behaviour Analysis to Address an Undesired Behaviour: Functional Analysis and Treatment of Jumping Up in Companion Dogs. Animals (Basel). https://pubmed.ncbi.nlm.nih.gov/31817670/

[12] Nakatani, J.Y., Greer, L.L., Wilson, G.L., et al. (2019). SURGICAL AND POSTOPERATIVE TREATMENT OF INTERVERTEBRAL DISC DISEASE IN A MOUNTAIN COATI (NASUELLA OLIVACEA) USING BEHAVIORAL MANAGEMENT AND PHYSICAL THERAPY. Journal of Zoo and Wildlife Medicine. https://pubmed.ncbi.nlm.nih.gov/33517646/

[13] Williams, E.J., & Blackwell, E. (2019). Managing the Risk of Aggressive Dog Behavior: Investigating the Influence of Owner Threat and Efficacy Perceptions. Risk Analysis. https://pubmed.ncbi.nlm.nih.gov/31136682/

[14] Strickler, B.G. (2018). Helping Pet Owners Change Pet Behaviors: An Overview of the Science. Veterinary Clinics of North America: Small Animal Practice. https://pubmed.ncbi.nlm.nih.gov/29397240/

[15] Weichbrod, R.H., Thompson, G.A., & Norton, J.N. (2018). Behavioral Management Programs to Promote Laboratory Animal Welfare. PubMed. https://pubmed.ncbi.nlm.nih.gov/29787205/

[16] Shimabukuro, C., Putrino, N., Helbling, J., et al. (2015). Individual differences in social and non-social behaviors in domestic dogs (Canis familiaris) during the acquisition, extinction and reacquisition of a problem solving task. Behavioural Processes. https://pubmed.ncbi.nlm.nih.gov/25682735/

[17] Kyathanahally, S.P., Jia, H., Pustovyy, O.M., et al. (2015). Anterior-posterior dissociation of the default mode network in dogs. Brain Structure and Function. https://pubmed.ncbi.nlm.nih.gov/24399180/

[18] Casey, R.A., Loftus, B., Bolster, C., et al. (2013). Inter-dog aggression in a UK owner survey: prevalence, co-occurrence in different contexts and risk factors. Veterinary Record. https://pubmed.ncbi.nlm.nih.gov/23193037/

[19] Blackwell, E.J., Bolster, C., Richards, G., et al. (2012). The use of electronic collars for training domestic dogs: estimated prevalence, reasons and risk factors for use, and owner perceived success as compared to other training methods. BMC Veterinary Research. https://pubmed.ncbi.nlm.nih.gov/22748195/

[20] Thorn, J.M., Templeton, J.J., Van Winkle, K.M., et al. (2006). Conditioning shelter dogs to sit. Journal of Applied Animal Welfare Science. https://pubmed.ncbi.nlm.nih.gov/16649949/

[21] Tortora, D.F. (1983). Safety training: the elimination of avoidance-motivated aggression in dogs. Journal of Experimental Psychology: General. https://pubmed.ncbi.nlm.nih.gov/6223971/

[22] Campbell, W.E. (1975). Problem behavior in dogs. Understanding the shy dog. Modern Veterinary Practice. https://pubmed.ncbi.nlm.nih.gov/1124074/

[23] Campbell, W.E. (1975). Punishment-valid teaching tool or dog owner's nemesis? Modern Veterinary Practice. https://pubmed.ncbi.nlm.nih.gov/1113733/

[24] Barnett, S.A. (1968). The "instinct to teach". Nature. https://pubmed.ncbi.nlm.nih.gov/4972406/