Measuring Your Reaction Time with the Stick Drop Test example
Answer (1)
The ruler drop test (stick drop test) is a simple method for measuring reaction time. One person holds a ruler vertically, while another person holds their hand at the bottom, ready to catch it. When the ruler is dropped unexpectedly, the person tries to catch it as quickly as possible, and the distance it falls before being caught is recorded. This distance can then be converted to reaction time using a formula or a reaction time table. How to Perform the Ruler Drop Test:1. Set up:Find a partner. One person (the "dropper") holds a ruler vertically, while the other person (the "catcher") holds their hand at the bottom of the ruler, with their fingers open and ready to catch. The catcher's forearm should rest on a table or desk.2. Drop the ruler:The dropper will drop the ruler without warning, at an unexpected time.3. Catch the ruler:The catcher tries to catch the ruler as quickly as possible, pinching it between their thumb and forefinger.4. Record the distance:Measure the distance the ruler fell before being caught. This can be done by noting the number on the ruler where it was caught.5. Repeat:Repeat the test several times (e.g., 3-5 times) and switch roles with your partner.6. Calculate reaction time:Use the distance the ruler fell to calculate your reaction time. You can use the formula: t = sqrt(2 * d / g), where:t is the time (reaction time)d is the distance the ruler fell in meters or centimetersg is the acceleration due to gravity (approximately 9.8 m/s² or 980 cm/s²).Alternatively, you can use a reaction time table that converts the distance fallen to reaction time. Example:If the ruler falls 25 centimeters before being caught, the reaction time can be calculated as follows: Convert to meters: 25 cm = 0.25 metersCalculate reaction time: t = sqrt(2 * 0.25 / 9.8) ≈ 0.22 seconds
