Aversive Control Continued (Exam 2 Notes - 3)

Aversive Control Continued (Exam 2 Notes - 3) - 10-12-09:...

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Motivation to Respond 4. Punishment is more effective when the motivation to engage in the punished response is lowest. Think criminals and jail. Shock is not a punisher when you are deprived of 40% of your free feeding weight At 85%, electric shock is a punisher, so bad that you stop responding. (too aversive) Azrin et al. (1963) exponsed pigeons to intermittent food reinforcement. Then they introduced electric shock for every 100th response, but they still earned food on an intermittent schedule . Motivation was altered by limiting the amount of food they were given before sessions. Negative Reinforcement (SR-) An example of aversive control Negative reinforcement : when the removal, prevention, or attenuation of some stimulus results in an increase in the future probability of the response Negative Reinforcer Any event that increases operant behavior by its removal is a negative reinforcer Two Types of SR- 1.Escape 2. Avoidance Escape Car stereo When an aversive stimulus is present, and R terminates that stimulus, the difference between the condition with and without the aversive stimulus is an immediate one. Escape behavior is acquired more readily than avoidance
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