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Screen time and color perception
By: Faith, Mikaela, and Myel

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Does screen time affect the color perception of the blue/black or white/gold dress?

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We will replicate this study with 1000 new subjects to ensure the results are valid.

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Our sample size is 1000 people. Our margin of error is 3.2%. This low margin of error is good because we have more conifdence that we have a rep

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This study is not statistically significant because there is a difference of 68, which can be achieved by chance.

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After the 3 month period, we showed each subject a picture of a dress and asked them what colors they saw. Either blue and black or white and gold.

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After the 3 month period, of the people in the 4 hour group, 319 reported that they saw the blue and black dress while the other 181 saw the white and gold dress. Of the people in the 0 hour group, 251 reported that they saw the white and gold dress, while the other 249 saw the blue and black dress. The average of people seeing the blue and black dress is 284, while the average of people seeing the white and gold dress is 216.

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500 subjects were assigned to have 4 hours of screen time per day. The other 500 subjects were assigned to have 0 hours of screen time per day.

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1000 random people that vary in age and gender. They are then split into two groups of

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The subjects are blocked by their age, and then the treatments are randomized within the groups.

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Our explanatory variable is the amount of screen time each subject gets per day.

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Our control group is the 500 subjects that are receiving 0 hours of screen time per day. We do not have a placebo since this is not a medical experiment.

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At school, we compiled every student name into a list and numbered them, then put it in a random number generator. We took every student at the beginning of each increment of that number until it reached 1000.

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We are not able to blind our subjects due to the fact that they will need to either see the screen or not. Therefore, they will know what treatment they receive. There is no double-blinding either since our group is small and we all know who is in what group.