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GCSE Geography · key term
A comparison group that does not receive the treatment or intervention being investigated.
Used by AQA and OCR
Paper 1, Paper 2, Paper 3
Revise: Quantitative AnalysisA control group is a comparison group that does not receive the intervention being investigated. It helps distinguish changes associated with an intervention from changes that might have happened anyway. This is different from keeping procedures consistent: equal counting durations are a controlled condition, not a control group.
Specification 9.3 · Paper 1, Paper 2, Paper 3
A comparison group or site that does not experience the condition being investigated, used to help judge its possible effect.
A control group is a comparison group, not the same thing as keeping the counting duration or equipment constant.
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A control group or control site provides a comparison that does not experience the condition being investigated. In an illustrative regeneration enquiry, an area without regeneration could be compared with the regenerated area.