For a literalist like a horse, it can make them want to sit in a corner and suck their thumb if we don't do it with enormous clarity.
Science-Based Training
The bottom line is that I believe using the “science” tag is nothing more than a marketing strategy. As a person trained in the rigorous sciences, it bothers me to see something as beautiful as good science exploited in this way. Despite the nice idea of using methods backed by scientific data, in reality, nothing changes for the horse or the trainer or the owner. Good trainers will still be good and bad trainers will still be bad irrespective of the science behind their methods