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Does watching tv make people’s eyesight worst?

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We looked at 30 people of different ages and genders who watch tv. All were told to watch tv 6 hours a day for a month.

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We will give each person an eyesight test at the start and after the experiment and compare the scores of the test.

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The explanatory variable was whether people actually watched tv for the full time or if they watched it for the full time.

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We used different shows with different brightness and colors for people to watch the first week. Then we gave people shows to watch in black. Finally we had them watch no tv and be outside for the time.

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The control group will be 30 people who do not watch tv. There are no placebos.

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30 people are surveyed so there will be a marginal error of 18%. With that high of an error there is always room for improvement and there could be more studies with more people.

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There could be more people in the experiment in the future and maybe even longer experiments.

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It will be a cross over design because all of the people will go through the same test.

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We selected random people from ages 20 to 40 for the experiment.

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The people we research will not be blind in the study because they know that they are testing to see if watching tv causes worst eyesight.

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From the results people who have been watching tv have worst eyesight.

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We gathered 30 people randomly from ages 20 to 40 and some of the lurking variables could be injuries and different types of eyes.

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With the results it shows that after the months the people who have watched tv scored almost 30% less on the tests.

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So it is proven that people who watch tv have worst eyesight then if they haven’t watched tv. Most would still watch tv though as it is not a major reason to stop their entertainment.