AP PSYCHOLOGY

Detailed explanation-1: -Your Employer Checking Your Work: Does your boss drop by your office a few times throughout the day to check your progress? This is an example of a variable-interval schedule. These check-ins occur at unpredictable times, so you never know when they might happen.

Detailed explanation-2: -Variable Interval: In variable interval (VI) schedule, the first behavior is reinforced after an average amount of time has passed. Example: You provide Jane praise (“good job”) the first time she says “please” after about every 55, 60 or 65 minutes.

Detailed explanation-3: -variable-interval schedule ( VI schedule ) in free-operant conditioning, a type of interval reinforcement in which the reinforcement or reward is presented for the first response after a variable period has elapsed since the previous reinforcement.

Detailed explanation-4: -A fixed interval is a set amount of time between occurrences of something like a reward, result, or review. Some examples of a fixed interval schedule are a monthly review at work, a teacher giving a reward for good behavior each class, and a weekly paycheck.