What is the variable that the investigator manipulates in an experiment called? Chemistry Introduction Scientific Method 1 Answer hectoroftroy Dec 14, 2016 "The experimental variable." Answer link Related questions How can the scientific method be applied to everyday life? What are some common mistakes students make with the scientific method? What are hypotheses according to the scientific method? What is a theory according to the scientific method? Do scientists have to record all data precisely in order to follow the scientific method? What is the goal of peer review in the scientific method? Why is the scientific method important to follow? How did Tycho Brahe and Kepler employ the scientific method? Do all scientists use the scientific method? Why should scientists provide an abstract for, or summary of their research? See all questions in Scientific Method Impact of this question 3048 views around the world You can reuse this answer Creative Commons License