O nível de significância
Example: O nível de significância determina a validade do teste estatístico.
Definition
"O nível de significância" refers to the threshold in statistical hypothesis testing that determines whether to reject the null hypothesis. It represents the probability of making a Type I error, typically set at 0.05, indicating the risk of falsely concluding an effect exists.
Etymology
The phrase "o nível de significância" originates from Portuguese, where "nível" means level, and "significância" relates to significance or importance. It entered statistical terminology to describe the critical value determining result validity, influenced by the English term 'significance level' used in scientific research.
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"O nível de significância" appears in the Vocaplus list "", containing 108 commonly used words.
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the significance level