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Weekend


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November 16, 2001

Strange But True!

  • A weekly column of incidental information, off-the-wall observations and other random facts about the world.
    • By BILL SONES and RICH SONES, Ph.D.
    Special to the Journal

    Q. What other species will work for money?

    A. Chimps will learn to do tasks to earn tokens that can then be traded in for food, a secondary behavior reinforcer standing in for a primary one, just like humans using money to buy groceries, say John Seamon et al. in “Psychology.” You can take this a step further to where the chimps will deposit the tokens in a food dispenser.


     
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