The mother was cleaning the home five times a week, but her kids were still having allergic reactions. SO, the family decided to conduct a scientific investigation.
Since at least the 17th century, the scientific investigation method, an empirical approach to information acquisition, has guided the advancement of science (with notable practitioners in previous centuries). Since one's interpretation of the observation may be distorted by cognitive presumptions, it requires careful observation and the application of severe skepticism regarding what is observed. It entails creating hypotheses through induction based on these observations, verifying the hypotheses' deductions statistically and experimentally, and then revising (or discarding) the hypotheses depending on the experimental results.
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