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    Psychology A-Level

    Level of significance and the 5% convention

    What Level of significance and the 5% convention means in Psychology A-Level, as defined for AQA.

    Definition of Level of significance and the 5% convention

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    The conventional level in psychology is p less than or equal to 0.05, meaning no more than a five in a hundred possibility that the result is down to chance.
    AQA · Inferential testing (study guide)

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