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isaiahh223gLv4
15 Feb 2022
Energy Drinks: Popular energy drinks contain green tea extract and caffeine. Do these energy drinks help you lose weight by increasing your metabolism?
Researchers at a medical school designed an experiment to determine the effects of green tea and caffeine on energy metabolism in healthy, lean, young adults.
Researchers randomly assigned participants to 2 treatments. One group drank Formula A, a beverage with green tea and caffeine. The other group drank Formula B, a beverage with none of these ingredients but colored to look like Formula A. The beverages were blinded at the production site, so the experiment was double-blind.
The researchers chilled the beverages to 6
C. Participants drank the beverages at the same time each day for three days. During the 3 days of the experiment, the researchers feed each participant the same diet. On the third day participants spent 24 hours in a calorimeter chamber to measure their energy metabolism. The medical journal Obesity published the results in 2007
What is the purpose of double-blinding?
⚪ To control unintentional researcher bias in the execution of the experiment
⚪ To control for the participants' prior beliefs about energy drinks
⚪ To control both unintentional research bias and participant prior beliefs
Energy Drinks: Popular energy drinks contain green tea extract and caffeine. Do these energy drinks help you lose weight by increasing your metabolism?
Researchers at a medical school designed an experiment to determine the effects of green tea and caffeine on energy metabolism in healthy, lean, young adults.
Researchers randomly assigned participants to 2 treatments. One group drank Formula A, a beverage with green tea and caffeine. The other group drank Formula B, a beverage with none of these ingredients but colored to look like Formula A. The beverages were blinded at the production site, so the experiment was double-blind.
The researchers chilled the beverages to 6C. Participants drank the beverages at the same time each day for three days. During the 3 days of the experiment, the researchers feed each participant the same diet. On the third day participants spent 24 hours in a calorimeter chamber to measure their energy metabolism. The medical journal Obesity published the results in 2007
C. Participants drank the beverages at the same time each day for three days. During the 3 days of the experiment, the researchers feed each participant the same diet. On the third day participants spent 24 hours in a calorimeter chamber to measure their energy metabolism. The medical journal Obesity published the results in 2007 What is the purpose of double-blinding?
⚪ To control unintentional researcher bias in the execution of the experiment
⚪ To control for the participants' prior beliefs about energy drinks
⚪ To control both unintentional research bias and participant prior beliefs
Read by 1 person
teacherrecoLv10
15 Feb 2022
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