In behavior modification, reinforcement is defined by its effect ...

[azncindy619]

In behavior modification, reinforcement is defined by its effect on behavior. This is referred to as:
 
  a. the Premack Principle
 b. an operational definition
  c. a functional definition
 d. a unique relationship

Question 2

In behavior modification, an event that alters the value of a stimulus as a reinforcer is referred to as a (an):
 
  a. extinction burst
 b. three-term contingency
  c. discriminative stimulus
  d. motivating operation

[Zebsrer]

Answer to Question 1

c

Answer to Question 2

d