Why are most factors held constant in a scientific experiment?
Answer: the only part of an experiment that ever changes is the independent variable.
3 answers
No, you are trying to see if changes in the independent variable cause changes in the dependent variable. If other variables are not held constant, they might be factors in causing dependent variable changes rather than or in addition to the independent variable.
Why are most factors held constant in a scientific experiment?
how are hypotheses and theories related?