OCR GCSE Combined Science A · J250
Specification P6.1d · Physics Paper 2
Revise: Human Reaction TimesRandomising the delay discourages anticipation. Repeat the test and calculate a mean reaction time rather than relying on one attempt.
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GCSE Combined Science · key term
Predicting when an event will happen, allowing a person to begin responding before they actually detect it.
Used by OCR
Specification P6.1d · Physics Paper 2
Revise: Human Reaction TimesRandomising the delay discourages anticipation. Repeat the test and calculate a mean reaction time rather than relying on one attempt.
Explain why the release must be unexpected: a countdown could test anticipation rather than reaction to seeing the ruler move.
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