Deconstructing problems: hypotheses, variables, controls and ethical considerations

What this note covers

1. Deconstruct a biological problem into a testable question
2. Variables state what changes, responds and stays comparable
3. Controls isolate the intended comparison
4. A method must produce enough appropriate data
5. Safety and ethics shape the investigation
6. Critique leads to targeted improvements and follow-up
7. Turning a broad plant-growth question into a controlled comparison
8. Choosing controls that distinguish the competing explanations

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