Psychology GCSE
Extraneous variables and control
What Extraneous variables and control means in Psychology GCSE, as defined for AQA.
Definition of Extraneous variables and control
Check what you remember
Read the wording for your board, then hide it and explain Extraneous variables and control in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Unwanted factors that could affect the dependent variable, whose effect must be explained and controlled, for example by standardising procedures or randomising allocation.
Topics that use Extraneous variables and control
- Research methods (AQA GCSE)
Related terms
- Allocation of participants to conditions
- Alternative hypothesis
- Bias
- Bias in participant selection
- BPS ethical guidelines for research
- Confidentiality and privacy
- Control of participant variables
- Control of variables
Using Extraneous variables and control 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 Psychology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Psychology GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge