Dr. Stevens did a study that found having a cognitively demanding job is associated with cognitive benefits in later years because people who are highly educated take cognitively demanding jobs, and people who are highly educated have better cognitive skills. In the relationship between having demanding job and cognitive benefits in later years, she found that the amount of education plays which of the following roles?
confounding third variable

confounding third variable

Explanation:

Confounding third variable -

It refers to as the variable , which is capable to influence both the dependent as well as the independent variable , is referred to as the confounding variable .

It is also known as  mediator variable and third variable .

In case the confounding variables is not controlled properly , then it might lead to incorrect analysis of the result .

Hence , from the given scenario of the question ,

The correct answer is confounding third variable .