An example of a variable that is often used in matching procedures would include which of the following?
A) age
B) gender
C) year in school
D) all of these

Question

Quizplus · Accepted Answer

Age, gender, and year in school are all common variables used in matching procedures to ensure that the groups being compared are similar on these key characteristics. This helps in controlling for these variables' potential confounding effects on the outcome of interest.

An Example of a Variable That Is Often Used in Matching