Cheat Sheets & Quick Reference Guides

Free printable reference cards to keep next to your laptop while you work. Each cheat sheet distills a key statistics topic into a single, scannable page so you can find what you need without digging through a textbook. Use the "Print / Save as PDF" button on any page to create a PDF.

Statistical Test Selection Flowchart

A tabular quick-reference that walks you from your research question to the correct statistical test. Covers comparisons, associations, and predictions for both parametric and nonparametric data.

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APA Reporting Quick Reference

Copy-and-paste templates for reporting t-tests, ANOVA, chi-square, correlation, regression, and more in APA 7th edition format. Includes examples of how to write up significant and non-significant results.

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Effect Size Interpretation Guide

A one-page reference for interpreting Cohen's d, r, eta-squared, partial eta-squared, Cramer's V, and odds ratios. Includes conventional thresholds for small, medium, and large effects.

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Assumption Checking Checklist

A step-by-step checklist for verifying normality, homogeneity of variance, linearity, independence, and other assumptions before running your analysis. Covers what to check, how to check it, and what to do if an assumption is violated.

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Common Statistical Symbols Reference

A quick-lookup table of the Greek letters and abbreviations you will encounter in statistics: means, standard deviations, test statistics, p-values, effect sizes, confidence intervals, and more. Never confuse sigma and sigma-squared again.

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