Choosing a statistical test
A decision path from your design to the right test, and what to do when the assumptions fail.
- tests
- t-test
- anova
- +1
Curated guides, templates, and reading — the things worth knowing before you need them.
12 resources
A decision path from your design to the right test, and what to do when the assumptions fail.
Variables, controls, replication, randomisation, and blinding — what each one is protecting you from.
A four-step method for getting from "I like marine biology" to a question you can test with the equipment you actually have.
A seven-sentence skeleton that fits the usual word limit and covers everything judges look for.
The four properties every fair-ready question has, with before-and-after rewrites.
A one-page printable checklist to run against your procedure before data collection starts.
A fill-in template for stating design requirements, constraints, and test criteria before you build.
Turning "healthier", "faster", and "better" into something two people would measure the same way.
A five-column method for identifying and controlling hazards in mechanical, electrical, and thermal builds.
How to identify all four in your own design, with a worked example.
A worked template, plus the four failure modes that make a hypothesis untestable.
Wording, scales, and order effects — the bias you build in before anyone answers.