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Biology Paper 6 HELP!
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Control experiment
A 'control' experiment is the same in every respect, except the input variable is not changed but is kept constant.
A control allows confirmation that no unknown variable is responsible for any unobserved changes in the responding variable; it helps to make the experiment a fair test.
-Definition taken from Oxford Biology IGCSE Revision Guide by Ron Pickering
A 'control' experiment is the same in every respect, except the input variable is not changed but is kept constant.
A control allows confirmation that no unknown variable is responsible for any unobserved changes in the responding variable; it helps to make the experiment a fair test.
-Definition taken from Oxford Biology IGCSE Revision Guide by Ron Pickering