Required Practical: Reaction Time (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards
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Practise the cards
15 cards from this deck
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Practise the cards
15 cards from this deck
Aim of reaction time practical
Aim of reaction time practical
To measure & investigate factors affecting human reaction time
Length of ruler needed for reaction time practical
Length of ruler needed for reaction time practical
30 cm
Starting position of ruler's 0 cm mark
Starting position of ruler's 0 cm mark
In line with top of subject's thumb and forefinger
How tester releases the ruler in the test
How tester releases the ruler in the test
Without warning
What measurement is recorded when ruler is caught
What measurement is recorded when ruler is caught
Distance (in cm) where ruler was caught
What to calculate from repeated ruler drop tests
What to calculate from repeated ruler drop tests
Average distance the ruler fell
What is average distance converted to
What is average distance converted to
Reaction time
Example of distraction used to test reaction time
Example of distraction used to test reaction time
Counting backward
Effect of practice on reaction time
Effect of practice on reaction time
Reaction time improves with practice
Dependent variable in reaction time practical
Dependent variable in reaction time practical
Reaction time (from ruler drop distance)
Control variable: type of ruler
Control variable: type of ruler
Same ruler is used
Control variable: ruler position
Control variable: ruler position
Height at which ruler is held is consistent
What to compare in data analysis
What to compare in data analysis
Reaction times under different conditions
Real-life example requiring quick reactions
Real-life example requiring quick reactions
Driving
Improvement suggestion for measuring reaction time
Improvement suggestion for measuring reaction time
Using a digital timer for more precision