A randomized controlled experiment was performed to study the effectiveness of new medication for canker sores (a small, shallow sore inside the mouth or at the base of the gums.). The treatment group received the new medication and the control group received a placebo. The study was double-blinded. Some of the individuals in the control group experienced pain relief and speedy healing similar to the treatment group. Which of the following best describes this phenomenon? Confounding Prospective study Selection bias Simpson's paradox Placebo effect
A randomized controlled experiment was performed to study the effectiveness of new medication for canker sores (a small, shallow sore inside the mouth or at the base of the gums.). The treatment group received the new medication and the control group received a placebo. The study was double-blinded. Some of the individuals in the control group experienced pain relief and speedy healing similar to the treatment group. Which of the following best describes this phenomenon? Confounding Prospective study Selection bias Simpson's paradox Placebo effect
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Choose correct option and explain
![A randomized controlled experiment was performed to study the effectiveness of a
new medication for canker sores (a small, shallow sore inside the mouth or at the
base of the gums.). The treatment group received the new medication and the
received a placebo. The study was double-blinded. Some of the
individuals in the control group experienced pain relief and speedy healing similar to
the treatment group. Which of the following best describes this phenomenon?
control
group
Confounding
Prospective study
Selection bias
Simpson's paradox
Placebo effect](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f6637b3-63d2-4c0a-a166-cb472fd6d49f%2Fc0479179-4081-459a-8258-119516a3bbc5%2Fp1d6qdi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A randomized controlled experiment was performed to study the effectiveness of a
new medication for canker sores (a small, shallow sore inside the mouth or at the
base of the gums.). The treatment group received the new medication and the
received a placebo. The study was double-blinded. Some of the
individuals in the control group experienced pain relief and speedy healing similar to
the treatment group. Which of the following best describes this phenomenon?
control
group
Confounding
Prospective study
Selection bias
Simpson's paradox
Placebo effect
![Radon is another leading cause of lung cancer in the United States. In order to
understand the effect, the researchers matched each individual who is exposed to
radon with a person of the same age, sex, and gender, but who is not exposed to
radon. After several years, the researchers compared the proportion of individuals
with lung cancers of the two groups. This is an example of
best answer.)
(Select the
Unable to determine
Retrospective study
Randomized controlled Experiment
Prospective Study
O Cross-over trial](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f6637b3-63d2-4c0a-a166-cb472fd6d49f%2Fc0479179-4081-459a-8258-119516a3bbc5%2Fjnay5r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Radon is another leading cause of lung cancer in the United States. In order to
understand the effect, the researchers matched each individual who is exposed to
radon with a person of the same age, sex, and gender, but who is not exposed to
radon. After several years, the researchers compared the proportion of individuals
with lung cancers of the two groups. This is an example of
best answer.)
(Select the
Unable to determine
Retrospective study
Randomized controlled Experiment
Prospective Study
O Cross-over trial
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