Variable schedule of reinforcement (VSR)

Technically, either a variable intervalVariable interval Variable interval A schedule of reinforcement in which the trainer reinforces desired behavior after varying periods of time within a certain timeframe.   or variable ratioVariable ratio A schedule of reinforcement in which the trainer reinforces desired behavior after varying numbers of “correct” responses.  . However, most trainers use VSRVariable schedule of reinforcement (VSR) Technically, either a variable interval or variable ratio. However, most trainers use VSR to mean a variable ratio.   to mean a variable ratio.