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Treatments
No food, applesauce, or chocolate

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Binding
Binding wouldn’t be appropriate because you can’t memorize something while being blindfolded. This wouldn’t be double blinding because the test administrator will know what are they giving the subjects

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Randomized block design
The groups with be grouped by gender

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Crossover design
Each group will undergo each the treatments

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Selection method
Randomized block design

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Sample size/margin of error

I have a sample of 500. 250 males and 250 females that are being tested. The margin of error is 4.5%

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Matched pair design
Match the groups by gender, same age, and similar diet

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Sample size
2.5%

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Experimental units
500 college students; 250 females, and 250 males

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Response variable
The score of the memory test from each group

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Question/goal of expericne

Does the type of food you eat affect how much you can memorize?

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Replicafion

Conduct the test multiple times as well as complete another test group with another group of college students

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Explanatory variable
The effect of food has on memory. 167 people for the affect of chocolate and apples.

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Control group/placebo

The control group is the group that is given no food

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The people who did not eat anything performed significantly lower, 80% lower than those who ate chocolate and 60% lower than those who ate apples. While there is no great significance between apples and chocolate, more test will need to be conducted. However it has been proven thatsting  someone does improve memory