Reaction Time Reaction time is the interval time between the presentation of a stimulus and the initiation of the muscular response to that stimulus. A primary factor affecting a response is the number of possible stimuli, each requiring their own response, that is presented.

If there is only one possible response (simple reaction time) it will only take a short time to react. If there are several possible responses (choice reaction time) then it will take longer to determine which response to carry out.

Hick (1952) discovered that the reaction time increases proportionally to the number of possible responses until a point at which the response time remains constant despite the increases in possible responses (Hick's Law). Improving Reaction Speed Reaction Time Reaction time itself is an inherent ability, but overall response time can be improved by practice. Coach and athletes need to analyse the type of skill and the requirements of their sport and decide where overall response gains can be made. Consider the following.

(2000) Physical Education and the study of sport. London: Harcourt Publishers. 312. HICK, W.E. (1952) On the rate of gain of information. Quarterly Journal of Experimental Psychology, 4, p. 11-26 Related References The following references provide additional information on this topic:.

PAIN, M. And HIBBS, A. (2007) Sprint starts and the minimum auditory reaction time. Journal of sports sciences, 25 (1), p. 79-86.

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ECKNER, J. (2010) Pilot evaluation of a novel clinical test of reaction time in National Collegiate Athletic Association Division I football players. Journal of athletic training, 45 (4), p. 327. ASHTON-MILLER, J.

Washington, DC: U.S. Patent and Trademark Office. DEL ROSSI, G.

(2014) Practice Effects Associated With Repeated Assessment of a Clinical Test of Reaction Time. Journal of athletic training. Page Reference If you quote information from this page in your work, then the reference for this page is:. MACKENZIE, B. (1998) Reaction Time WWW Available from: Accessed Related Pages The following Sports Coach pages provide additional information on this topic:.

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If you are a Mac user, you may be aware of the browser interaction bug that prevents you from removing the welcome message and move the counters. Well, I have got a good news for you. I have implemented a simple workaround that will allow you to use the script in OBS Studio on a Mac.

Changes to the script:. The welcome message will disappear in 15 seconds so you don’t need to click the button to remove the message. You can press TAB key to select a counter, when focused the counter will be highlighted. You can use arrows keys or SHIFT + arrow keys (faster) to move and position the counters.

Windows users can still use mouse to drag and resize the counters. These changes are just to meant to fix this issue for Mac Users. Leave a comment if you have any questions.