Hypotheses, variables, controlled and uncontrolled factors and data collection

What this note covers

1. Formulating a testable hypothesis or inquiry question
2. Independent and dependent variables
3. Controlled variables: naming them and explaining how and why
4. Factors that cannot be controlled, and accounting for them
5. Materials, method and justification
6. Primary versus secondary data, and ethical and safety considerations
7. How this topic is examined in the SACE paper and what separates a top response

7 sections · 11 key terms & formulas · 6 common mistakes