In order to determine if treatment X is successful in
improving eyesight, a research study was conducted.
From a large population of people with poor
eyesight, 300 participants were selected at random.
Half of the participants were randomly assigned to
receive treatment X, and the other half did not
receive treatment X. The resulting data showed that
participants who received treatment X had
significantly improved eyesight as compared to those
who did not receive treatment X. Based on the
design and results of the study, which of the
following is an appropriate conclusion?
A) Treatment X is likely to improve the eyesight of
people who have poor eyesight.
B) Treatment X improves eyesight better than all
other available treatments.
C) Treatment X will improve the eyesight of anyone
who takes it.
D) Treatment X will cause a substantial
improvement in eyesight.

Question

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19-08-2022
Mathematics

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In order to determine if treatment X is successful in
improving eyesight, a research study was conducted.
From a large population of people with poor
eyesight, 300 participants were selected at random.
Half of the participants were randomly assigned to
receive treatment X, and the other half did not
receive treatment X. The resulting data showed that
participants who received treatment X had
significantly improved eyesight as compared to those
who did not receive treatment X. Based on the
design and results of the study, which of the
following is an appropriate conclusion?
A) Treatment X is likely to improve the eyesight of
people who have poor eyesight.
B) Treatment X improves eyesight better than all
other available treatments.
C) Treatment X will improve the eyesight of anyone
who takes it.
D) Treatment X will cause a substantial
improvement in eyesight.

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tutorconsortium350 tutorconsortium350 · Answer 1 · 2022-08-23T14:09:24+02:00

Treatment X is likely to improve the eyesight of people who have poor eyesight.

The Correct option is A.

What is Treatment X ?

A form of radiation treatment that uses x-rays' high energy radiation to kill cancer cells and reduce tumor size.

According to the information :

A technique known as experimental research is used to study a small group of people and extrapolate the findings to a broader population. Nevertheless, in order to draw a generalization about causation and effect:

1. A clear definition of the population is required.

2. Participants must be chosen randomly.

3. Treatment groups must be randomly assigned to the subjects.

When these criteria are satisfied, the study's findings can be extrapolated to the entire population and used to draw a cause-and-effect conclusion. All criteria were satisfied for this study, and participants were chosen from a group of those who had vision problems. The impact of Treatment X on the population of those with low vision can thus be inferred in general terms.

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