An independent variable must have _________, and an extraneous variable must have _________.
A) one value; one value
B) two values; one value
C) one value; two values
D) two or more values; two or more values

Question

Quizplus · Accepted Answer

An independent variable must have two or more values to allow for comparison and analysis, while an extraneous variable can also have two or more values as it is any variable other than the independent variable that might affect the dependent variable.

An Independent Variable Must Have _________, and an Extraneous Variable