When seeking to match participants on relevant variables in a ...

[Awilson837]

When seeking to match participants on relevant variables in a matched-subjects design, which of the following defines a relevant variable?
 
  A) a variable that has no effect on the dependent variable
  B) a variable that can have an effect on the dependent variable
  C) a variable that has an effect on the independent variable
  D) any variable

Question 2

In choosing relevant variables for matching in a matched-subjects design, it is important to note that
 
  A) we must establish the same degree of control over all extraneous variables as found in a within-subjects design.
  B) we must match participants on all variables, whether relevant or not.
  C) we cannot match participants on too many variables without introducing variable-match confounding.
  D) a variable is relevant if it can have an effect on the dependent variable in a study.

[abctaiwan]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: D

[Awilson837]

TYSM

[nguyenhoanhat]

Excellent