General practice effects in within-subjects experiments include ...

[jake]

General practice effects in within-subjects experiments include
 
  a. boredom.
  b. fatigue.
  c. learning.
  d. all of these.

Question 2

Which of the following is true concerning the nonequivalent control group pretest/posttest design?
 
  a. Comparisons can be made between groups on the pretest and the posttest.
 b. Comparisons can be made within groups from the pretest to the posttest.
 c. Because participants are not randomly assigned to groups, we cannot say that they are
  d. all of the above

[cloudre37]

Answer to Question 1

D

Answer to Question 2

d

[jake]

Thanks for the timely response, appreciate it

[Liamb2179]

Gracias!