Answer
To test a theory, an experiment should be carefully setup under controlled circumstances, and the parameters should be changed one at a time to observe the effect. The results must be reproducible, so that a pattern can be recognized and compared with theory.
Work Step by Step
To test a theory, an experiment should be carefully setup under controlled circumstances, and the parameters should be changed one at a time to observe the effect. The results must be reproducible, so that a pattern can be recognized and compared with theory.