Skip to content
    Biology GCSE

    Correlation and causation

    What Correlation and causation means in Biology GCSE, as defined for AQA.

    Definitions of Correlation and causation

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

    Read the wording for your board, then hide it and explain Correlation and causation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    A causal link is stronger when evidence shows a mechanism, a dose response and consistency across studies, so correlation is not proof of causation.
    AQA · The effect of lifestyle on some non-communicable diseases (study guide)
    Correlation shows a relationship between two variables, but does not prove causation.
    AQA · Health issues (study guide)

    Topics that use Correlation and causation

    Related terms

    Using Correlation and causation 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 Biology questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Biology GCSE terms