In a changing-criterion design a. changes in behavior are ...

[Lisaclaire]

In a changing-criterion design
 
  a. changes in behavior are measured at different points in time.
  b. changes in behavior cannot be attributed to the reinforcement contingency.
  c. the criterion for reinforcement remains constant over the course of the experiment.
  d. the criterion for reinforcement is changed over the course of the experiment.

Question 2

A two-factor study with two levels of factor A and three levels of factor B uses a separate group of n = 5 participants in each treatment condition. How many participants are needed for the entire study?
 
  a. 5
 b. 10
  c. 25
  d. 30

[xiazhe]

Answer to Question 1

D

Answer to Question 2

d

[Lisaclaire]

Great answer, keep it coming

[cdmart10]

Excellent