GCSE Combined Science · key term

Calculated risk

Definition

An estimate of risk based on evidence, such as observations, measured exposure and the frequency of harmful outcomes. It may still contain uncertainty.

Used by OCR

How each exam board covers it

OCR GCSE Combined Science B · J260

Biology, Chemistry, Physics, Combined Science

A calculated risk is an estimate based on evidence. A perceived risk is how dangerous someone feels an activity is. These are not interchangeable: a person's judgement is not a measurement of likelihood or severity, while an evidence-based estimate may still contain uncertainty.
Revise: Assessing Scientific Impact and Risk

OCR Combined Science B past papers

Exam tips

1
Do not assume that a calculated risk is certain, or that different decisions must mean someone has misunderstood the science.

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Definition

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OCR GCSE Combined Science B · J260

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