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reaction time definition
the time between the onset of the stimulus and the start if the movement in response to it.
e.g 100m sprint - time between gun and sprinter putting pressure on the starting blocks
movement time definition
the time it takes from starting the movement to completing it
100m sprint - time between first pressing on the start blocks and finishing the race
response time defined
time between the onset of the stimulus and the completion of the movement
reaction time + moevemtn time = response time
eg. 100m sprint - time between the gun going off and the runner completing the face
difference between simple and choice reaction time? HICKS LAW
simple reaction time - is relevant to a single stimulus and a single possible response
choice reaction time - several stimuli are given but only one must be selected for a response
the more choices a person has, the kore infromation needs processing, and the longer it takes to process the information
the slower the reaction time
factors affecting reaction time
gender
body temperature
personality
limb used
likelihood of stimulus occurring
arousal/ alertness
warning signal
stimulus intensity
age
Hicks law
proposes if tennis serve only in one place there is only a number of one possible alternatives
as present more possibilities - their reposes time increases which is good for you as a player but bad for the opposition.