IB+Lab+-+Measure+reaction+times

Physiology Labs


 * Lab - Measuring Reaction Times (D, DCP, CE)**

Outlined below is a simple method to measure reaction times
 * 1) Mark a pencil line down the middle of your thumb and sit sideways at a desk with your fingers over the edge.
 * 2) Your partner holds the ruler vertically between your first finger and thumb with the zero opposite the line on your thumb. NB the ruler must not touch either your finger or your thumb.
 * 3) Your partner releases the ruler and you catch it as quickly as possible. Record the distance it fell.

Practise the method a few times then design your own lab. Suitable research questions for this task maybe phrased:
 * Is there a difference between the reaction times of XXXXX and YYYYY?
 * Does AAAAA affect the reaction time of BBBBB?

//(you are asked to either compare two different, but related reactions or how/if a given factor affects reaction times)//

Things to consider:
 * Will you use the method suggested above or use an alternative, such as an application, to directly measure reaction times?
 * Do your research; whatever title you choose should have a valid, justified hypothesis