lab - Example laboratory report 1 The role of coffee in...

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Example laboratory report 1 The role of coffee in Fitts ʼ s Law performance Howard Zelaznik HK 258 Laboratory 32 Star Date 18.34.2054
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2 Introduction Motor control involves the coordination of many muscles, joints and body segments. This control requires motor precision, and it would seem that a task that requires precision would not benefit from a stimulant. Caffeine, a stimulant naturally found in coffee, is known to have effects on performance, much like we observed in people during the normal cycle of their day (Waterhouse & Reilly, 2007). In a task that requires precise motor control, would the effects of a stimulant cause a person to actually slow down, even though the stimulant should be speeding up performance? To study this question, we had people perform a Fitts Law (Fitts, 1954) task at various levels of difficulty. Half of the participants drank a 16 ounce cup of coffee 30 minutes before performance, and the other half drank a 16 ounce cup of decaffeinated coffee 30 minutes prior to performance. Methods Participants . Thirty two individuals (16 male) were randomly assigned to the caffeine or decaffeinated group so that there were 8 male participants in each group. Apparatus
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lab - Example laboratory report 1 The role of coffee in...

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