Which Statistical Test? Flowchart + Cheat Sheets
Category: Education / College Students
A decision flowchart and 17 test cheat sheets that take research methods students from a research question to the right test and an APA 7 results sentence.
Stop guessing which statistical test to run. Start with your research question, follow one clear flowchart, and land on the right test, with its assumptions, effect size and a ready-to-fill APA 7 results sentence on the same page.
WHAT'S INCLUDED
• 4 PDF files, instant download
• Guide in US Letter, 29 pages (8.5 x 11 in)
• Guide in A4, 29 pages (210 x 297 mm)
• Flowchart poster, 18 x 24 in (also prints at 9 x 12 in)
• Flowchart poster, A2 (also prints at A3 and A4)
INSIDE THE GUIDE
• Master decision flowchart: difference, relationship or prediction, then outcome type, number of groups, independent or related, and whether the assumptions are met
• Test finder table: every test, its nonparametric alternative and effect size on one page
• 17 test cards with the same layout: when to use it, assumptions and how to check them, nonparametric alternative, effect size with benchmarks, an example research question with hypotheses, and an APA 7 results template for significant and non-significant results
• Tests covered: one-sample t test, independent-samples t test, paired-samples t test, one-way ANOVA, repeated-measures ANOVA, two-way ANOVA, Pearson correlation, Spearman correlation, simple linear regression, multiple linear regression, binary logistic regression, chi-square goodness-of-fit, chi-square test of independence, Mann-Whitney U, Wilcoxon signed-rank, Kruskal-Wallis H, Friedman
• Variable types and levels of measurement, with examples from psychology, nursing and public health
• Two pages on checking assumptions (normality, homogeneity of variance, independence, outliers, sphericity, linearity, multicollinearity, expected counts) and what to do when they fail
• Effect size table: Cohen's d, r, eta squared, Cramer's V, w, f squared, R squared, odds ratio, Kendall's W
• p-values, confidence intervals, APA 7 number rules and common mistakes to avoid
• "My Study" worksheet (2 pages) to plan your own analysis step by step
• References and glossary
PERFECT FOR
• Psychology, nursing, social science and public health students
• Research methods and statistics courses
• Thesis, dissertation and capstone projects
• Graduate students planning an analysis or preparing for comprehensive exams
HOW TO USE
1. Name your outcome and predictor variables and their levels of measurement.
2. Follow the flowchart to your test and its page number.
3. Check the assumptions and pick the alternative test if needed.
4. Copy the APA 7 template from your test card and add your own numbers.
Works with any statistics software. Use it printed or on a tablet or laptop.
HOW TO PRINT
• Print at "Actual size" or 100% (not "fit to page") on US Letter or A4 paper
• Regular 20-24 lb (75-90 gsm) paper works well; 28-32 lb (105-120 gsm) for pages you use often
• The pages are designed to read clearly in black and white
• Print the poster at a print shop, or at A3 or tabloid size at home
PLEASE NOTE
• This is a digital download. Nothing will be shipped.
• This guide is a study reference. It does not replace advice from your supervisor, instructor or a qualified statistician. Always confirm your analysis plan with them.
• This guide was created with the help of AI tools and reviewed for accuracy against standard statistics textbooks (Cohen; Field; Tabachnick and Fidell; the APA Publication Manual).
• APA Style is a registered trademark of the American Psychological Association. This guide follows APA 7 reporting conventions but is not affiliated with or endorsed by the APA.
• Colors may look slightly different depending on your screen and printer.
• For personal and classroom study use only. Please do not resell, share or redistribute the files.
Questions before you buy? Send a message, I'm happy to help.