"i just don't understand! i want my daughter to stop leaving her shoes in the hall when she gets home. every day she leaves her shoes in the hall, i take away dessert after dinner. it's been three weeks and she's not even starting to put her shoes away." according to operant conditioning, what does this show?

As you probably recall, operant conditioning can either strengthen or weaken behaviors through the use of reinforcement and punishment.

in 342 bc j._c. egypt fell into the hands of the persians, under the reign of nectanebo ii

greek city-states unite in a revolt against the persian empire at the beginning of the fifth century bc. j.-c  

from the year 660 or 659 bc ad, cyrus preached the revolt against the medes to deliver the persians.

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