---
title: "Fixed-Ratio Schedule — AP Psychology Definition & Examples"
description: "A fixed-ratio schedule reinforces a behavior after a set number of responses. Learn classic examples, the post-reinforcement pause, and how it differs from variable-ratio."
canonical: "https://fiveable.me/ap-psych-revised/key-terms/fixed-ratio-schedule"
type: "key-term"
subject: "AP Psychology"
---

# Fixed-Ratio Schedule — AP Psychology Definition & Examples

## Definition

A fixed-ratio schedule of reinforcement is a type of schedule where a behavior is reinforced after a specific number of responses.

## Review

### Related Terms

- Variable-ratio schedule: In this type of schedule, reinforcement occurs after an unpredictable number of responses.
- Fixed-interval schedule: This refers to a schedule where reinforcement occurs after a specific amount of time has passed since the last response.
- Variable-interval schedule: This type of schedule involves reinforcement occurring at unpredictable time intervals as long as the behavior is performed.