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The study was allowed to give the exam to the forty students with the permission of the schools and the teachers, so the subjects didn't cost anything. We did give the teachers $30 gift cards to Starbucks for their time. there were 10 researchers involved and they got payed $15 per hour for a total of 10 hours. The total cost to pay the researchers was $1,500 plus the 5 gift cards for a grand total of $1,650.00.

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We chose students who all had one class in common together, to make it more of a fair exam, choosing students who were at different academic levels could create unevenness in the scores based on what they have been previously taught.

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The experimental unit for this study is the individual students that will be used during the study.

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The large drop between some students scores, who received less sleep was extremely significant, it skewed their results, dropping their average score heavily.

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The students who continued with their usual sleep patterns, scored the same or higher when they retook the test, while students who did not receive as much sleep scored the same or lower on the test the second time around.

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This study would be something beneficial to replicate, because it could reveal issues regarding sleep and the education system. The results from this study and studies based off of it, could even create change in the education system, allowing for students to be ensured the proper amount of sleep, for their best academic performance.

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The sample size in this experiment will be a group of 40 high school students who all report getting the recommended amount of sleep and are all taking the same course, 20 girls and 20 boys, to keep things even.
Our margin of error is 13.005% which is a moderately high number, meaning if the study was done again, it would be best to expand the pool that was used, which would decrease the margin of error

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Students who all share a common class will be asked how many hours of sleep they get usually, 40 students who report that they get the recommended amount of sleep on average will be chosen for the study.

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My control group will be the group of students who continue with their normal sleeping habits and do not cut down on the amount they sleep.

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One day we had the students who had been chosen for the study take a simple multi-category test with 25 questions.
Two days later we gave the students the same test, but half of them had only gotten 4 hours of sleep while the other half continued to get their normal 8 hours of sleep.

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The explanatory variable is the test each student will take, it will not change from the first time they take it to the second Tim after the lack of sleep.

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The response variable in this experiment is the amount of time each student is allowed to sleep.

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Does the amount of sleep a student gets effect test performance?