Section outline

  • Exercise 3: Planning investigations

    • Activity 3: Designing experiments

    • Learners must be able to apply their knowledge and understanding of variables, research design and controls to a novel research situation, when planning experiments.

      Learners need to practise to identify and operationalise independent and dependent variables, as well as considering how to apply their knowledge of control of variables. 

      They must also be able to use their knowledge of effective research design to select an appropriate experimental design. 

      Worksheet 9: Designing experiments can be adapted for AS Level or any of the Specialist Options to develop learners' AO2 Application skills.

      Use Worksheet 9 : Designing experiments answers to discuss the level of detail required to operationalise variables for replicability and some common participant and situational variables which must be controlled in experiments to ensure validity.