In the textbook, a study on monitor size was described.Specifically, the researchers wanted to know if monitor size 17, 19, & 21 inches) influenced participant's reaction time on a task.How many levels of the independent variable were there in this study?
A)17
B)3
C)2
D)21

Question

Quizplus · Accepted Answer

The study had three different monitor sizes (17, 19, & 21 inches), which means there were three levels of the independent variable, which was monitor size.

In the Textbook, a Study on Monitor Size Was Described