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
Portrait of a Shy Albatross. Note the large, hooked beak and nasal tubes.
A typical large tool box, showing just one of many drawers.
Reed-Sternberg cells are large, abnormal lymphocytes that may contain more than one nucleus. These ...
The West Bank Challenge
Shake the calf muscles. Pick up the calf muscles with one hand, and shake them back and forth.