Reaction Time RP

Question 1

Reaction time

Answer 1

The time taken to respond to a stimulus

Question 2

Method

Answer 2

• the person sits with their arm in the edge of the table
• hold a ruler between the thumb and forefinger
• drop the ruler after a random interval
• the person should catch the ruler as quick as they can
• the reaction time is the number where it was caught
• repeat several times and calculate a mean

Question 3

Computer

Answer 3

Tests e.g. click the mouse when a box changes colour
Remove human error (precise)
Can record in milliseconds (accurate)
Removes the ability to predict when it is dropped