+The **significance level**, often called alpha (α), is a pre-set threshold for evaluating a test's outcome. It represents the maximum acceptable probability of rejecting a true [Null Hypothesis](/wiki/null_hypothesis), guiding decisions in [Statistical Inference](/wiki/statistical_inference).
+## See also
+- [P-value](/wiki/p_value)
+- [Type I Error](/wiki/type_i_error)
+- [Hypothesis Testing](/wiki/hypothesis_testing)
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