If there is no experimental test to disprove the hypothesis, then it lies outside the realm of science. They may not.Ī good scientific hypothesis is the opposite of this. Even if our Piscean didn’t get a phone call, the prediction cannot be false because he or she may get a phone call. A scientist cannot disprove that a Piscean may get a surprise phone call from someone he or she hasn’t heard from in a long time. Our daily horoscopes are good examples of something that isn’t falsifiable. That is, one of the possible outcomes of the designed experiment must be an answer, that if obtained, would disprove the hypothesis. The proof lies in being able to disproveĪ hypothesis or model is called falsifiable if it is possible to conceive of an experimental observation that disproves the idea in question. It is an educated guess about how the world works that integrates knowledge with observation.Įveryone appreciates that a hypothesis must be testable to have any value, but there is a much stronger requirement that a hypothesis must meet.Ī hypothesis is considered scientific only if there is the possibility to disprove the hypothesis. “That (your hypothesis) is not only not right it is not even wrong.” - Wolfgang Pauli (Nobel Prize in Physics, 1945)Ī hypothesis is the cornerstone of the scientific method.
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