Author Question: When seeking to match participants on relevant variables in a matched-subjects design, which of the ... (Read 129 times)

Awilson837 · **on:** Aug 4, 2018

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.