[Answer] Maria believes that caffeine speeds up a person's reaction time. To test her hunch she has five friends each drink three 8-ounce cups of coffee and then measure how quickly they are able to push a button when a tone is sounded. What is wrong with Maria's research strategy?

Answer: There is no control condition

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Maria believes that caffeine speeds up a person's reaction time. To test her hunch she has five friends each drink three 8-ounce cups of coffee and then measure how quickly they are able to push a button when a tone is sounded. What is wrong with Maria's research strategy? Maria believes that caffeine speeds up a person's reaction time . To test her hunch she has five friends each drink three 8-ounce cups of coffee and then measure how quickly they are able to push a button when a tone is sounded . Maria believes that high doses of caffeine speed up a person's reaction time . In order to test her hunch she has five friends each drink three 8 ounce cups of coffee and then measures how quickly they are able to push a button when a tone is sounded . what is wrong with Maria's research strategy ? Maria believes that high doses of caffeine speed a person's reaction time . In order to test her hunch she has five friends each drink three 8-ounce cups of coffee and then measures how quickly they a...

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