One reason for preferring randomization to matching for ...

[mydiamond]

One reason for preferring randomization to matching for establishing group equivalence is that
 
  a. randomization involves more confounding.
  b. we do not know all the relevant variables to match.
  c. counterbalancing does not require randomization.
  d. randomization guarantees group equivalence.

Question 2

Randomizing a variable such as participant gender guarantees that it will not become a confounding variable.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[wuly]

Answer to Question 1

B

Answer to Question 2

False

[mydiamond]

TYSM

[bigcheese9]

Gracias!