Answer Happy

A study is done looking at the amount of time students watch
Netflix and their grades. It is determined that High rates of
Netflix watching correlates with higher grades. They later
realized that they did not include a question on the survey
asking if students had part or full time employment in
addition to taking classes. In this example, the
student’s employment status represents a:
Group of answer choices
Lead time bias
Confounding variable
Confirmation bias
Recall variable