PartA You design an experiment to test the hypothesis that consuming caffeine in
ID: 186984 • Letter: P
Question
PartA You design an experiment to test the hypothesis that consuming caffeine increases a person's chances of developing a headache. Participants in the experimental group will be told to drink 8 ounces of caffeinated soda in the morning once a day for 10 days, and to abstain from drinking any other caffeinated beverages or soda. Which of the following is an appropriate control group for your experiment? A group that drinks 8 ounces of decaffeinated hot coffee (no caffeine) in the morning once a day for 10 days and abstains from drinking any other caffeinated beverages or soda A group that drinks 8 ounces of caffeinated soda once a day for 10 days in addition to their normal beverage habits A group that drinks 8 ounces of decaffeinated soda (no caffeine) in the morning once a day for 10 days and abstains from drinking any other O caffeinated beverages or soda. A group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days SubmitExplanation / Answer
Answer is D - a group that does not drink soda (caffeinated or decaffeinated) or other caffeinated beverages for 10 days.
Control group are generally called has outsider they not involved in the experiment or they don't do any thing relate to the experiment. They does not receive any treatment and is used as a benchmark against which other test results are measured.