selected publications
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article
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An Inexpensive Device for Programming Ratio Reinforcement.
The Psychological Record.
22:543-544.
1972
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An Inexpensive Device for Programming Ratio Reinforcement.
The Psychological Record.
22:543-544.
1972
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book
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Teaching Children with Learning and Behavior Problems.
Columbus, OH: Merrill/Macmillan.
1986
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Teaching Children with Learning and Behavior Problems.
Columbus, OH: Merrill/Macmillan.
1986