Aschedule of partial reinforcement in which reinforcement occurs after a fluctuating number of behaviors is called a(n) schedule. a. arbitrary interval b. variable interval c. variable ratio d. arbitrary ratio

What does a most-favored-nation (mfn) status mean? a country pays the same tariffs as those paid by all mfn countries. a country has a special exemption from all tariffs in the united states. a country has special licensing agreements with u.s. corporations. a country is exempt from product standards that make it expensive for goods to be imported.

Which phrase correctly completes the statement? "the korean war " lasted 3 years. has never ended. was won by north korea. was won by south korea lasted 3 years. has never ended. was won by north korea. was won by south korea.

How does the chairman of the federal reserve board get his job?