When learning a new skill and noticing occasional successes, what type of reinforcement schedule is being utilized?

The correct answer is variable ratio reinforcement. This type of reinforcement schedule is characterized by providing rewards after an unpredictable number of responses. In the context of learning a new skill, occasional successes indicate that reinforcement (in the form of rewards or positive feedback) follows some, but not all, attempts or practices. The unpredictability of when these successes will occur can lead to higher rates of engagement and motivation because the learner cannot predict when they will receive reinforcement, thus encouraging persistence and repeated attempts at the skill.

In comparison, a fixed ratio schedule would reinforce after a specific number of responses, leading to a more predictable outcome that might not maintain the same level of motivation over time. A fixed interval schedule provides reinforcement after a specific amount of time has passed, which is unrelated to the number of successful attempts. Continuous reinforcement, on the other hand, rewards every successful attempt, which may not foster the same enduring engagement as the variable ratio schedule, as learners may become accustomed to regular reinforcement and may lose interest if it stops.