Skip to content
    Biology A-Level

    Confounding factors

    What Confounding factors means in Biology A-Level, as defined for OCR.

    Definition of Confounding factors

    Check what you remember

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

    Reference: OCR

    Variables that must be held constant so they do not distort the result, identified by asking what else could affect the dependent variable besides the independent variable.
    OCR · Planning (study guide)

    Topics that use Confounding factors

    Related terms

    Using Confounding factors 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 A-Level terms