An intermittent schedule of reinforcement would look like .

a. a class earning extra recess minutes for each correct answer in a game
b. a child earning a quarter for every clothing item folded
c. a child being rewarded with a trip to the movies after 5 days of cleaning her room without being asked
d. a vending machine dispensing soda for each dollar it receives

Micah is studying child behavior in playgrounds throughout the world. he wants to see how the children react when teachers select the same child to be the first to use each piece of equipment. which approach is micah is using?

Which three sentences in the story indicate that the passage is an ex nihilism type of creation story?

How does désir represent the diversity of europe today? how did the 1400s and 1500s affect the religious diversity of europe? how might cultural diversity in a place like germany affect everyday life? what are two reasons some europeans might find immigration to be an advantage? what are two reasons some might find it to be a disadvantage? why do you think languages and culture spread more easily in europe now than in the past?