Psychology Glossary 191

Variable-interval (VI) Schedule: A schedule of reinforcement in which a reinforcer is delivered for the first response made after a variable period of time whose average is predetermined.

可变——间隔程序表：

Variable-ratio (VR) Schedule: A schedule of reinforcement in which a reinforcer is delivered for the first response made after a variable number of responses whose average is predetermined.

可变——比率程序表：

Vestibular Sense: The sense that tells how one's own body is oriented in the world with respect to gravity.

前庭觉：告诉我们一个人的身体在重力作用下是如何定位的感觉。