Predictability Changes Everything

Randomness is brutal on a nervous system, and dogs are no exception. We come back from a much-needed “touch grass” break and dig into one of the most cited papers in the e-collar debate: the Schalke study on predictability and stress. People love to wave it around as proof that electronic collars are inherently harmful, but when we slow down and read what the researchers actually measured, the real takeaway is sharper and more practical: unpredictability is what drives the biggest cortisol spikes.We walk through how the study is set up with three beagle groups, what “predictable and controllable” really means, and why the random-stimulation group shows the most intense and lasting stress response. We also unpack the details that get skipped online, including that every trial is run at the highest intensity setting as a worst-case stress test, and how saliva cortisol timing and blinded measurement strengthen the findings. Heart rate gets discussed too, with a clear explanation of why movement can muddy that signal.From there, I connect the science to real training: learned helplessness, poor timing, and why a dog needs a clear way to shut stimulation off. I share what balanced e-collar conditioning looks like when it’s done responsibly: foundation behaviors first, low working levels, clarity, and then accountability only after the dog understands the rules. If you want a research-based conversation that actually respects method, nuance, and animal welfare, hit play, then subscribe, share with a trainer friend, and leave a review so more owners can find it.SOURCES1. Schalke et al., "Clinical signs caused by the use of electric training collars on dogs in everyday life situations"   https://www.researchgate.net/publication/228355489_Clinical_signs_caused_by_the_use_of_electric_training_collars_on_dogs_in_everyday_life_situations2. PLOS ONE (2020), Vieira de Castro et al., "Does training method matter?"   https://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.02250233. Cooper et al. (2014), "The Welfare Consequences and Efficacy of Training Pet Dogs with Remote Electronic Training Collars"   https://pmc.ncbi.nlm.nih.gov/articles/PMC4153538/4. Frontiers in Veterinary Science (2026), "Professional dog trainers' perspectives on training methods"   https://pmc.ncbi.nlm.nih.gov/articles/PMC12975608/5. Johnson and Wynne (2024), "Comparison of the Efficacy and Welfare of Different Training Methods in Stopping Chasing Behavior in Dogs"   https://pmc.ncbi.nlm.nih.gov/articles/PMC11428818/6. "Do aversive-based training methods actually compromise dog welfare? A literature review"   https://www.sciencedirect.com/science/article/abs/pii/S0168159117302095Visit us on the website here to see what we've got going on and how you can join our pack of good dogs and owners.