experiment to a whole ytar. LAn experiment was designed to see if regular excrcise can help lower blood pressure for patients with high blood pressure. A researcher wanted to test this theory, and told a group of volunteers with high blood pressure that exercise may work better the any other trcatment for high blood pressure. For the next month, the researcher assigned participants to two groups. One group was enrolled in a physical fitness program and the other group was prescribe a medicine to lower blood pressure. At the end of the month, the blood pressure in the volunteers, on average, decreased approximately the same from the blood pressure at the beginning of the month for both groups of participants. Which of the following is true

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experiment tố a
6. An experiment was designed to see if regular excrcise can help lower plood pressure for patients with high
blood pressure. A researcher wanted to test this thcory, and told a group of volunteers with high blood
pressure that exercise may work better thc any other treatment for hgh blood pressure. For the next
month, the researcher assigned participants to two groups. One group was enrolled in a physical fitness
program and the other group was prescribe a medicine to lower blood pressure. At the end of the month,
the blood pressure in the volunteers, on average, decreased approximately the same from the blood
pressure at the beginning of the month for both groups of participants. Which of the following is true
about this experiment?
Because the researcher is the one that picks the group of pationts that exercisc, the
paticnts arc blinded to the treatment and the decrease in blood pressure is caused by
the exercise routinc or the medicinc.
The fact that the average dccrease was not significantly different for both groups
may be duc to the placebo effect, so it may not be true that exercise works better
than any other treatment.
Because the test results were not significantly different, there is reason to believe that
exercise works better than any other treatment.
The experiment is well-designed, but the rescarcher needs to increase the time of the
experiment to a whole year.
a.
b.
c.
d.
Transcribed Image Text:experiment tố a 6. An experiment was designed to see if regular excrcise can help lower plood pressure for patients with high blood pressure. A researcher wanted to test this thcory, and told a group of volunteers with high blood pressure that exercise may work better thc any other treatment for hgh blood pressure. For the next month, the researcher assigned participants to two groups. One group was enrolled in a physical fitness program and the other group was prescribe a medicine to lower blood pressure. At the end of the month, the blood pressure in the volunteers, on average, decreased approximately the same from the blood pressure at the beginning of the month for both groups of participants. Which of the following is true about this experiment? Because the researcher is the one that picks the group of pationts that exercisc, the paticnts arc blinded to the treatment and the decrease in blood pressure is caused by the exercise routinc or the medicinc. The fact that the average dccrease was not significantly different for both groups may be duc to the placebo effect, so it may not be true that exercise works better than any other treatment. Because the test results were not significantly different, there is reason to believe that exercise works better than any other treatment. The experiment is well-designed, but the rescarcher needs to increase the time of the experiment to a whole year. a. b. c. d.
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