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Does chewing gum while studying help if the same flavor of gum is chewed while being tested?

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We took 100 highschool students ranging in ages 16-18 for this study

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We went up to the front office and had randomly procedurated srufdemt ID numbers until we reached 100 who were 16-18 years old

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Our explanatory variable is whether the students were chewing spear min or bubble gum flavored gum while studying the given paper.

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The two specific treatments we are looking at in this study are going to be bubblegum flavored gum, spear mint flavored gum and no gum at all.

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We will measure the overall test scores and look to see the effects of one gum compared to another.

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Each individual will act as their own control group. Since we have one test session that consists of no gum, we will be able to compare test scores from all three tests this way.

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This is not a blind study because both the units and we know what gum is being given out and what they need to study/memorize.

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The randomization process we used to pick the students make sure we get a wide range of different types of students. We still have lurking variables however, mostly pertaining to the experimental units. Anything from lack of sleep, to food consumption, willingness to try all can have an impact on the study

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We are using crossover design in this study because the group of students will undergo all of the experiments. This will give is the best data due to the gum changing or lack of gum all together.

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We are conducting a study with 100 students. This means we are running a 10% margin of error. This is a fairly large margin of error which is not ideal but rounding up that many teenagers would be a challenge in itself And gum costs would be too extensive.

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This study could be replicated in the future with an even larger sampling frame. One may even consider adding more flavors of gum, sticking to one flavor of gum or even changing the tests. Replication adds validity and confidence in results with a small portion of the school being tested replication is a good idea.

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Chewing the spear mint gum while studying, then testing lead to an average of 93% on the test. Chewing the bubblegum while studying, then testing, lead to an average of 86% a similar but different test.
(#) (Type of Gum) (Score)
01. Spear Mint / 93% average
02. Bubblegum / 86% average
03. No gum / 90%

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The differences in average scored were not drastically different enough to call this data statistically significant but the spear mint gum test average was 6% higher than the bubblegum flavor, indicating this might lead to something significant if further tested

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Our team had 3 researchers who conducted the experiment each paid $20 an hour. We also got 200 pieces of gum which cost 50c a piece and offered every student a $20 gift card to Harkins. The researchers spent about 10 hours conducting and puting the experiment together.

Researchers: 3 x 20 x 10= $600
Units: 100 x 20= $2000
Gum: 200 x .5= $100

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This study was replicated on a much larger scale and it was confirmed that spear mint flavored gum helped students remember what they studied if they chewed that same flavor during the test. As a result teachers now encourage students to study with spear mint gum and are more than happy to let students chew gum during tests