Mathematics, 21.02.2020 21:01 quentonwise

Mrs. J. is trying to get her third-grade students to remember to have their homework signed by a parent before bringing it to class. Students who remember every day for a month receive a gift card from a local bookstore. This is an example of a(n) .a. activity reinforcer.
b. possessional reinforcer.
c. consumable reinforcer.
d. manipulative reinforcer.

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