Significance

Significance refers to the importance, relevance, or meaning of something, particularly in the context of statistics, where it denotes the probability that an observed result, such as a difference between two measurements, is caused by something other than random chance.

Statistical Significance

In statistics, significance is a measure of the probability that an observed difference in data is not due to random chance. This is often measured with a p-value, which represents the probability that the observed data (or data more extreme) could occur if the null hypothesis of no effect is true. If the p-value is below a certain threshold (often 0.05), the result is said to be statistically significant.

Philosophical Significance

In philosophy, significance can refer to the meaning or importance of a concept, argument, or discovery. This can be subjective and dependent on one's perspective or framework of understanding.

Clinical Significance

In medicine and psychology, clinical significance refers to the practical importance of a treatment effect—whether it has a real genuine, palpable, noticeable effect on daily life.

See Also

• Statistical hypothesis testing
• Clinical significance
• Philosophical significance

References

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