Public health research tools

Build a study protocol that survives reviewer scrutiny.

Stop losing months to IRB corrections, committee pushback, and donor rejections. Run your research design through a full-suite Socratic auditor covering everything from Cross-Sectional surveys to RCTs and Systematic Reviews. Free during our Open Beta phase.

If you're starting a study

Work through your research question

PHRPS walks you from question to protocol, module by module.

Start Free Protocol Audit (No Signup Required)
If you just need one thing

Jump to a standalone tool

Sample size, figure formatting — no sequence, no account.

Browse tools

PHRPS — Public Health Research Planning Suite

Each module builds on the last — start wherever your project is.
MODULE 01

Research Reviewer Lens

See what a reviewer would flag in your research question — before it goes anywhere near a committee.

~10 MIN · NO ACCOUNT NEEDED
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MODULE 02

Study Design & Measurement

Settle your study design and build a variable framework you can defend to a committee.

~15 MIN · BUILDS ON MODULE 01
Open →
MODULE 03

Sampling & Survey Planning

Justify your sample size and sampling strategy, then plan the fieldwork.

~15 MIN · BUILDS ON MODULE 02
Open →
MODULE 04

Protocol & Ethics

Build your methods section and prepare your reasoning for ethics committee submission.

~15 MIN · BUILDS ON MODULE 03
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MODULE 05

Monitoring & EvaluationNEW

Build your theory of change, develop SMART indicators, and produce a donor-ready logframe.

~15 MIN · BUILDS ON MODULE 04
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Standalone tools

Quick, single-purpose — no sequence required.

Survey Sample Size Calculator

Calculate sample sizes for cross-sectional studies — generates protocol-ready text automatically.

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Journal Figure Optimizer

Resize and optimize figures to meet journal DPI, dimension, and format requirements.

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In development
Epidemiology Glossary · PH AI Data Assist · More calculators — case-control, cohort, RCT designs
AW

Abdul Wajid

Physician-Epidemiologist · MBBS, MSc Epidemiology & Biostatistics, PhD Epidemiology

Methods Lab exists because rigorous research methods shouldn't require institutional privilege to access.

25+ years spanning clinical medicine, public health, and applied data science, with work delivered for UNICEF, Aga Khan University, Population Council, Michigan State University, and Canadian health authorities.