It is important in a matched-subjects design for researchers to ...

[chandani]

It is important in a matched-subjects design for researchers to assign each matched set of participants randomly to the conditions primarily because
 
  A) all of the critical variables should have been identified by consulting published studies.
  B) of the requirements to keep researchers blind as to condition.
  C) of the requirements to keep participants blind as to condition.
  D) random assignment within sets can control for unidentified confounding variables.

Question 2

In matched-subjects designs, random assignment of matched participants to groups is
 
  A) not necessary.
  B) necessary to control unidentified confounding variables.
  C) unlikely to control unidentified confounding variables.
  D) not useful.

[bblaney]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: B

[chandani]

TYSM

[adf223]

Gracias!