Reference collection
Statistical values
Interpret statistical values, effect sizes, intervals, and agreement measures in context.
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Interpretation guide
Odds Ratio Interpretation: How to Read Values Above and Below 1
Read an odds ratio correctly, including direction, the null value of 1, confidence intervals, and why odds are not the same as probability.
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Interpretation guide
Cohen’s Kappa and ICC: Interpreting Rater Agreement
Interpret Cohen’s kappa and intraclass correlation coefficients, identify the statistic reported, and compare competing reliability scales.
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Interpretation guide
PCA Output Interpretation: Eigenvalues, Loadings, Scores, and Communalities
Read PCA eigenvalues, explained variance, loadings, scores, scree plots, signs, rotation, and communalities without universal loading cutoffs.