Required Practical: Reaction Time (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
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Practise the cards
12 cards from this deck
Aim of reaction time practical
Aim of reaction time practical
Measure & investigate factors affecting human reaction time
Ruler length needed
Ruler length needed
30 cm
Starting ruler position (at thumb top)
Starting ruler position (at thumb top)
0 cm mark
How tester releases ruler
How tester releases ruler
Without warning
What to calculate after repeating test
What to calculate after repeating test
Average distance ruler fell
Distance is converted to
Distance is converted to
Reaction time
Example distraction variable
Example distraction variable
Counting backward
Effect of practice on reaction time
Effect of practice on reaction time
Improves with practice
Dependent variable in reaction time test
Dependent variable in reaction time test
Reaction time
Control variables (name 2)
Control variables (name 2)
Same ruler used; consistent height
Real-life application of reaction time
Real-life application of reaction time
Driving
Suggested improvement for precise measurement
Suggested improvement for precise measurement
Use digital timer