Applied Behavior Analysis Technician (ABAT) Practice Test

What is the main characteristic of interval schedules of reinforcement?

1. They are based on the number of correct responses

2. They are based on the total duration of time before reinforcement

3. They reinforce behaviors continuously

4. They are a type of shaping process

The correct answer is: They are based on the total duration of time before reinforcement

Interval schedules of reinforcement are defined primarily by the passage of time. In these schedules, reinforcement is provided after a specific amount of time has elapsed, regardless of the number of responses made during that interval. This means that the timing of the reinforcement is contingent upon a duration of time rather than being linked directly to a specific number of correct responses or behaviors. For instance, in a fixed interval schedule, the first response is reinforced after a set period, while in a variable interval schedule, reinforcement is given after varying amounts of time. This approach can lead to a steady rate of responding, as individuals learn that their chances for reinforcement improve as they approach the end of the interval. In contrast, other schedules related to the incorrect choices focus on different criteria. For example, some schedules are based on the quantity of responses rather than the time factor, while continuous reinforcement is aimed at reinforcing every occurrence of the desired behavior rather than timing. The shaping process pertains to gradually reinforcing successive approximations to a target behavior and is not inherently linked to the timing of reinforcement.