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What is a p-value? An expert explains the most misunderstood number in science
Australia🏛️ PoliticsCenter5 hr. ago

What is a p-value? An expert explains the most misunderstood number in science

The article explains the concept of a p-value, a commonly misunderstood statistical measure used in scientific research. It clarifies that a p-value indicates the probability of observing a result as extreme as the one found, assuming there is no real effect. It does not represent the probability that the result is due to chance or that there is a real effect. The article highlights common misconceptions, such as interpreting a p-value of 0.06 as meaning there is a 6% chance the result is a fluke. It also discusses the historical origin of the 0.05 significance threshold and its limitations, noting that it leads to arbitrary conclusions. The piece emphasizes the importance of correctly interpreting p-values to avoid misleading conclusions in scientific studies.

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The Conversation (AU) logoThe Conversation (AU)IndependentCenter5 hr. ago
What is a p-value? An expert explains the most misunderstood number in science

The article explains the concept of a p-value, a commonly misunderstood statistical measure used in scientific research. It clarifies that a p-value indicates the probability of observing a result as extreme as the one found, assuming there is no real effect. It does not represent the probability that the result is due to chance or that there is a real effect. The article highlights common misconceptions, such as interpreting a p-value of 0.06 as meaning there is a 6% chance the result is a fluke. It also discusses the historical origin of the 0.05 significance threshold and its limitations, noting that it leads to arbitrary conclusions. The piece emphasizes the importance of correctly interpreting p-values to avoid misleading conclusions in scientific studies.

Bias read (Center): The article presents a balanced explanation of p-values without overt ideological slant. It objectively describes the statistical concept, its misuse, and its historical context, without favoring any particular political stance or agenda.

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