A pig trained by the Brelands to pick up large wooden coins and deposit them in a wooden piggy bank learned quickly to do so for food rewards, but eventually ____.
a. reverted to washing the coins instead, in accordance with its natural approach to food
b. became too bored with the repetition of the task to continue
c. chose to wallow in the mud instead, in order to cool off
d. reverted to rooting for the coins instead, in accordance with its natural approach to food
Question 2
Keller and Marion Breland, two of B. F. Skinners former students who used operant conditioning to train animals for entertainment, encountered ____.
a. extensive cognitive mapping
b. repeated latent inhibition
c. biological boundaries
d. observer interference
Aerial and close-up views of a large biodiversity experiment in Cedar Creek, Minnesota. Each of the
The American Lion was one of the abundant Pleistocene megafauna, a wide variety of very large mammal
A star-forming region in the Large Magellanic Cloud.
Photograph of a brain specimen with a large malignant tumor.
Shake the calf muscles. Pick up the calf muscles with one hand, and shake them back and forth.
The Globe Fishery packs shrimp that weigh more than 1.91 ounces each in packages marked large ...