Writing a valid method: variables, controls, sample size, materials, ethics and time frame

What this note covers

1. From observation to a testable hypothesis
2. Variables: independent, dependent and controlled
3. Sample selection, sample size and repetition
4. Materials, ethics, time frame and collaboration
5. Writing a method that can be repeated
6. Justifying the methodology and suggesting further research

6 sections · 10 key terms & formulas · 6 common mistakes