Experimental design and variables
What Experimental design and variables means in Combined Science GCSE, as defined for AQA.
Definition of Experimental design and variables
Check what you remember
Read the wording for your board, then hide it and explain Experimental design and variables in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Identifying the independent variable and dependent variable in a data set about nervous function, and recognising limitations such as small sample size or uncontrolled variables.
Topics that use Experimental design and variables
- The human nervous system (AQA GCSE)
Related terms
- Coordination by the central nervous system
- Data handling and graph interpretation
- Evidence-based conclusions
- Motor neurone
- Reaction time and nervous coordination
- Receptors and effectors
- Reflex arc
- Sensory neurone
Using Experimental design and variables in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge