Statistical Significance

Definition

Statistical significance refers to whether any differences observed between groups being studied are "real" or if they’re likely due just to chance. It's often determined by p-values less than 0.05.

Related terms

P-value: A statistical measure that helps scientists determine whether their hypotheses are correct. It represents how likely their results occurred by chance alone.

Null Hypothesis:

This is an assumption that there's no effect or relationship between two measured phenomena. Researchers aim either to reject or support this hypothesis through their study.

Confidence Interval: A range within which we can be certain at a given level of confidence (usually 95%) that the true value lies.