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The Sample Size & Power Analysis Template Kit
For the researcher asked "how many participants do you need?": a defensible power analysis and the justification paragraph your committee, ethics board or grant reviewer wants.
Every power-analysis template from the workbook, ready to type into: inputs, effect sizes, sensitivity checks and the justification your committee asks for.
- 64 fillable templates
- US Letter + A4
- Instant download
$19
Secure checkout on Payhip. Download both PDFs straight after payment.
Save with the Design Your Study Bundle: this kit plus Mixed Methods Research Kit and Systematic Review Protocol Kit, $39 instead of $57. See the bundles
What you get
- 64 fillable templates in one fillable PDF (70 pages, 627 fillable fields)
- US Letter and A4 versions, both included
- Type into the boxes and save, or print and write by hand
- A clickable template map with a Done box for every template, and bookmarks
See inside
All 64 templates
- 1.1 Four-Parameter Primer Worksheet
- 1.2 Why-It-Matters Stakes Sheet
- 1.3 What My Reviewers Require
- 1.4 Power-Analysis Vocabulary Decoder
- 2.1 A-Priori vs. Post-Hoc vs. Sensitivity Decision Guide
- 2.2 Fixed-N? Sensitivity-Analysis Router
- 2.3 “Observed Power” Warning Card
- 2.4 Analysis-Type Reporting Selector
- 3.1 Test-to-Power-Parameter Selector
- 3.2 Variable & Hypothesis Intake
- 3.3 One-/Two-Tailed Decision Worksheet
- 3.4 Alpha & Power Target Setter
- 3.5 Multiplicity & Alpha-Adjustment Planner
- 4.1 Effect-Size Estimation Worksheet
- 4.2 Effect-Size Source Hierarchy Guide
- 4.3 SESOI Definer
- 4.4 Effect-Size Metric Converter
- 4.5 Conservative-Estimate Selector
- 4.6 Pilot-Data Effect-Size Extractor
- 5.1 G*Power Setup & Orientation Checklist
- 5.2 The 5-Step G*Power Workflow Card
- 5.3 First Calculation Walk-Through (Independent t-Test)
- 5.4 Output-Reading Worksheet
- 5.5 Screenshot & Settings Log
- 6.1 Independent-Samples t-Test Power Sheet
- 6.2 Paired / One-Sample t-Test Power Sheet
- 6.3 One-Way ANOVA Power Sheet
- 6.4 Factorial ANOVA Power Sheet
- 6.5 Repeated-Measures ANOVA Power Sheet
- 6.6 ANCOVA Power Sheet
- 7.1 Bivariate Correlation Power Sheet
- 7.2 Multiple Regression Power Sheet
- 7.3 Hierarchical Regression / ΔR² Power Sheet
- 7.4 Logistic Regression Power Sheet
- 7.5 Predictor-Count Sanity Cross-Check
- 8.1 Chi-Square Test Power Sheet
- 8.2 Two-Proportions Power Sheet
- 8.3 McNemar / Paired-Proportions Power Sheet
- 8.4 Precision-Based Sample Size for Prevalence
- 9.1 Cluster / Multilevel Design-Effect Calculator
- 9.2 Mediation Power Planner
- 9.3 SEM / CFA Sample-Size Planner
- 9.4 Reliability / Agreement Sample-Size Sheet
- 9.5 Equivalence / Non-Inferiority Margin & Power Sheet
- 9.6 “When to Leave G*Power” Tool Router
- 10.1 Attrition & Over-Recruitment Calculator
- 10.2 Allocation-Ratio Adjuster
- 10.3 Exclusions & Eligibility Yield Worksheet
- 10.4 Multiple-Outcome / Multiple-Test N Reconciler
- 11.1 Recruitment Feasibility Check
- 11.2 Sampling-Frame Reality Map
- 11.3 Recruitment Timeline & Rate Calculator
- 11.4 Gap-Resolution Decision Tool
- 12.1 Qualitative Saturation Rationale Builder
- 12.2 Information-Power Assessment
- 12.3 Method-Based Sample-Size Guidance Table
- 12.4 Mixed-Methods Sample Reconciliation
- 12.5 Saturation Monitoring Log
- 13.1 Sample-Size Justification Paragraph Templates
- 13.2 Reporting-Completeness Checklist
- 13.3 Ethics-Application Sample-Size Section Builder
- 13.4 Grant Sample-Size & Statistical-Power Section Builder
- 13.5 Committee / Reviewer Question Anticipator
- 13.6 Power-Analysis Appendix Assembler
Every template page gives you
- Its purpose and how long it takes
- Short steps on how to fill it in
- Fillable boxes sized for real answers
- The output it produces
- A supervisor sign-off line
- Where to find the completed example in the workbook
How to use it
- Open the PDF in a free PDF reader app that supports fillable forms (Adobe Acrobat Reader is free and works best). Some phone and browser viewers do not save typed answers.
- Click a box and type. Save often: your answers stay in the file.
The kit and the workbook
The kit gives you the tools. The Sample Size & Power Analysis Workbook teaches the method: it explains every template and shows a completed example of each one. If this is your first time, start with the workbook.
Questions
How do I get the files?
Checkout is on Payhip, our store. Straight after payment you can download both PDFs, and Payhip emails you the link too. You can download them again from the same link later.
Can I type into the pages?
Yes. Open the PDF in a free PDF reader app that supports fillable forms (Adobe Acrobat Reader is free and works best), type into the boxes and save. Some phone and browser viewers do not save typed answers.
US Letter or A4?
Both are included in every purchase.
Is this the same as the workbook?
No. The kit has every fill-in template from The Sample Size & Power Analysis Workbook, ready to type into. The workbook adds the teaching and a completed example of every template.
What if a file does not open?
Digital files cannot be returned once downloaded, but if a file does not open or something is wrong with it, email [email protected] and we will fix it or refund you.
Can my class or research group use it?
Each purchase is for one person. For a class or research group, email [email protected] about a group licence.
The Sample Size & Power Analysis Template Kit
64 fillable templates, US Letter and A4, $19.
Licence: For the buyer's own use. Every page is stamped with the buyer's email and the purchase date. Please do not share or resell the files. For a class or research group, ask about a group licence.
By Rafiq Muhammad, MD, MIHMEP, PhD. The templates were drafted with the help of AI tools and written, checked and laid out by the author.