At minimum, how many independent variables must be included in a study in order for it to be classified as an experiment?
A) none
B) one
C) two
D) three

Name: At minimum, how many independent variables must be included in a study in order for it to be classified as an experiment? A) none B) one C) two D) three
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Question

Quizplus · Accepted Answer

An experiment requires at least one independent variable to be manipulated to observe its effect on a dependent variable.

At Minimum, How Many Independent Variables Must Be Included in a Study