You keep using that word, I don't think it means what you think it means part 1: Reward VS Relief
Technically, a reward is a thing given in recognition of service, effort, or achievement. In psychology, it's any pleasant event that follows a response and therefore increases the likelihood of the response recurring in the future. In order to positively reinforce a behaviour and make it a pleasant experience for the horse you have to ADD something pleasant for the horse (i.e. a good long scratch, a food reward) in stead of SUBSTRACTING something unpleasant (i.e. release from aversive pressure, a break from hard work). The learner decides what’s positively reinforcing, therefore the horse gets to choose the reward.
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