Match the schedule of partial reinforcement to the correct description. ratio schedule ratio schedule drop zone empty. interval schedule interval schedule drop zone empty. fixed schedule fixed schedule drop zone empty. variable schedule variable schedule drop zone empty. relies on the number of behaviors that must be performed prior to the reward based on the amount of time that must pass before a behavior is rewarded the number of behaviors or the amount of time that must pass before the reward is always the same the required number of behaviors or the amount of time that must pass before the reward is unpredictable from the perspective of the learner