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
Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
A large female tiger shark (Galeocerdo cuvier)
Bank
Seven black members of Congress in 1871 are from left to right: Senator Hiram Revels (R-MS) and Repr
Dorsiflex the foot, applying direct pressure to the bottom. Standing at the end of the table, pick ...
Polyps, or abnormal growths, on the lining of the large intestine may indicate early stages of colon