A professor was curious whether a 5 percent bonus mark would influence students to submit their term essays on time. Half the students were offered the bonus mark for on-time submission, and the other half were not offered any bonus marks. What kind of variable is the bonus mark incentive?
A) randomized
B) control
C) dependent
D) independent

Question

Quizplus · Accepted Answer

The bonus mark incentive is an independent variable because it is the variable that is being manipulated or changed by the researcher to observe its effect on the dependent variable, which in this case would be the timeliness of essay submissions.

A Professor Was Curious Whether a 5 Percent Bonus Mark