On Sep 8, 2007, at 12:31 PM, Michael Sylvester wrote:

> Not wanting to face the Beth Benoit Correction Police,can someone  
> point me to the reference for Skinner's Informal Principles of  
> Learning?
> It might have been an anticle in the American Psychologist.They  
> deal with unexpected discoveries while experimentying; apparently  
> Skinner
> discovered the partial reinforcement effet when the pellet magazine  
> jammed.
>
> Btw,what was Skinner's animal of choice: rats or pigeons?

He discovered it when he was making the pellets himself;   there were  
none commercially available.   To save enormous amount of time  
required, he decided to reinforce every second time,  etc.   He used  
rats.
All this is accounted in detail  in his "a Case History in Scientific  
Research" (I think) in Volume 2 of the "Psychology:  a study of a  
science" Ed. Koch, commissioned by APA.

Peter


Peter Harzem, B.Sc. (Lond.), Ph.D. Wales
Hudson Professor Emeritus
Auburn University, AL 36849-5214
USA
Phone: + 334 821 0259
E-mail: [EMAIL PROTECTED]
             [EMAIL PROTECTED]



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