To cause extinction of a previously classically conditioned behavior what must happen?
a) the CS must occur repeatedly without the UCS.
b) the UCS must occur before the CS.
c) the CR must be repeatedly punished.
d) the CR must occur by itself.

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution. (10 points)

Opinion polls reveal that many people believe that the military buildup of the 1980s came at the expense of pressing domestic problems such as environmental pollution and deteriorating educational and transportation infrastructure. in short, people are becoming aware of

The economy of the united states is best described as