The more often Matthew is scolded following a temper tantrum, the more frequently he loses his temper. In this case, the scolding serves as a for Matthew's temper tantrums. punishment positive reinforcer negative reinforcer unconditioned stimulus conditioned stimulus

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.