cheynicole99 cheynicole99

07-10-2016
Advanced Placement (AP)

contestada

Nicole puts a dollar into the vending machine and gets nothing back. She puts in a second dollar and still gets nothing. After her second attempt, she stops trying. This is and example of

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itssjustinn09 itssjustinn09

07-10-2016

Not too sure but makes the most sense out of the choices

D. Negative reinforcement

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