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Fictional results/statistical significance:
The people who got nine hours of sleep did 3x better on their PSAT test

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Replication:
Gather another 150 students and run the experiment again

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Sample size/margin of error:
150 students

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Crossover design:
The students get both set hours of sleep

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Matched pair design:
Grade level/studied or haven’t studied

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Block design:
Boy/girl

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Double-blinding:
The people conducting the experiment and the students don’t know how much sleep they are getting

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Control group:
The students that sleep naturally

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Response variable:
PSAT score

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Explanatory variable:
Amount of sleep of student gets

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Treatments:
9 hours of sleep/3 hours of sleep/natural sleep

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Selection method:
Random sampling

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Experimental Units:
150 students

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Question/goal:
Dose your quality of sleep effect your PSAT scores?