They asked if a horse must always experience emotional stress when learning a new task. They said that one of the first things that attracted them to clicker training was the idea of low or no-stress training. At first, this seemed to be the case.
THE IMPORTANCE OF DISCOMFORT IN TRAINING
KEEPING THE HORSE IN THE HORSE
If a horse just out of the wild and untouched by humans is the most horse-like horse a horse can be, is our ability as horse handlers measured by how much of the horse we keep inside the horse during the training, or is it measured by how well we manipulate a horse to be of use and value to our needs?