# Identifying Schedules of Reinforcement (Fr, Vr, Fi, VI) Answer Sheet - Erin Lynnes, Altoona High School

## FAQ

Q: What is a schedule of reinforcement?
A: A schedule of reinforcement is a pattern or a rule that determines how and when a behavior will be reinforced.

Q: What is a fixed ratio (FR) schedule?
A: A fixed ratio (FR) schedule is a schedule of reinforcement where a behavior is reinforced after a fixed number of responses.

Q: What is a variable ratio (VR) schedule?
A: A variable ratio (VR) schedule is a schedule of reinforcement where a behavior is reinforced after an average number of responses, with the specific number varying unpredictably.

Q: What is a fixed interval (FI) schedule?
A: A fixed interval (FI) schedule is a schedule of reinforcement where a behavior is reinforced for the first response after a fixed amount of time has passed since the last reinforcement.

Q: What is a variable interval (VI) schedule?
A: A variable interval (VI) schedule is a schedule of reinforcement where a behavior is reinforced for the first response after an average amount of time has passed since the last reinforcement, with the specific time varying unpredictably.