The classical experiment makes it possible to satisfy the ...

[bobbysung]

The classical experiment makes it possible to satisfy the criterion for cause in two ways. First, the posttest measures for the experimental group (stimulus present) are compared with those for the:
 
  a. control group (stimulus not present)
  b. random group (stimulus not present)
  c. variable group (stimulus not present)
  d. none of the above

Question 2

Which of the following statements is true?
 
  a. nonequivalent-groups and time-series designs are two general types of quasi-experiments
  b. experiments and time-series designs are two general types of quasi-experiments
  c. all research purposes are amenable to the use of experimental designs
  d. all of the above are true

[potomatos]

Answer to Question 1

a

Answer to Question 2

a

[bobbysung]

TY

[potomatos]

You're welcome