Variable-Ratio+(VR)+Schedule

toc = = = Definition: = A schedule in which a reinforcer is given after a varying number of non-reinforced responses, based on an average ratio. Gen Psych Chapter 5, pp. 147 - 148

= Examples: = Slot machines in casinos utilize a variable ratio schedule, providing the player with a win after a seemingly random number of spins. In the video, the dog receives a "treat" every time the dog shakes the owners hand. After each treat, the dog must shake an additional hand, slowly increasing the interval. media type="youtube" key="GwV1UWUTSvg" width="560" height="315"

= Analogies: = Imagine you are climbing a steep mountain. With every step, you become more and more out of breath. At the bottom of the mountain, you have rapid energy in the excitement. However, as you climb higher up the mountain, you slowly lose your energy.

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