Maria believes that high doses of caffeine speed up a person's reaction time. In order to test her hunch, she has five friends e

Question

3 years ago

15

Maria believes that high doses of caffeine speed up a person's reaction time. In order to test her hunch, she has five friends e

ach 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?

Health

1 answer:

irina1246 [14] · Answer 1 · 2022-07-20T12:32:13+03:00

irina1246 [14]3 years ago

5 0

Answer:

Maria is missing a control group.

Explanation:

For Maria's experiment to be accurate, she needs to have a group of people that have not drank coffee. She will then be able to compare the experimental group to the control group for more accurate results.