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14 cards from this deck
How quickly nervous system responds to a stimulus
Ruler drop test
Weaker hand (left if right-handed)
Across the lab, not at the ruler
0cm mark lines up with top of thumb
Reaction time in ms=2000×cm\text{Reaction time in ms} = \sqrt{2000 \times \text{cm}}Reaction time in ms=2000×cm
From physics equations about falling objects under constant accel
2 significant figures
Reaction times often get faster
Improvement usually levels off
Practice is the variable being measured
Reaction time
After 3-4 trials
Gravity
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