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Operant conditioning, also known as trial-and-error learning.
Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
Map distances are generally additive
In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
This engraving of the Boston Massacre (1770) became the most reprinted depiction of the event, and p
Performance of a delayed nonmatching-to-sample trial.