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There is currently no cure for gastroparesis. My results were posted in an article about gastroparesis and people who suffered from this condition started eating peppermint gum after every meal they had. Most of the patients with gastroparesis were able to reduce their delay in stomach emptying if they kept up with eating peppermint gum after every meal. Peppermint gum is now used to help gastroparesis patients everywhere.

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My finances were for the gum. One pack of extra peppermint gum costs 89 cents and only has 15 sticks per pack so two packs are needed for each person. .89 plus .89 equals $1.78 for 1 person so $1.78 times 15 equals $26.70 cents for the peppermint gum. The trident pineapple gum costs $1.29 per pack and only has 14 sticks per packs so 3 packs are needed for each person. $1.29 x 3=$3.87 so for one person it will cost $3.87. $3.87 x 15=$58.05 so it would cost that much for the pineapple gum. My total comes to $84.75

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There was some randomization in that I picked males and females who had this condition. A possible lurking variable could be what their diet is like or how many meals or how often they eat per day.

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After 1 month I called up each individual in my study and had them re-rate the severity of their delay in stomach emptying. The control group had no gum. They went from an average rating of 7.9 to 8.3. Their delay in stomach emptying worsened. For the group that ate pineapple gum after every meal, the average went from a 8.8 to 8.6 which is a slight improvement in delay of the stomach emptying. For the people who ate peppermint gum after every meal, the average rating went from 9.3 to 6.6. This is a 2.7 decline in delayed stomach emptying. They were able to go from a 90.3% delay in stomach emptying all the way down to a 60.6% delay. This is statistically significant because people who had a delay in gastric emptying and ate peppermint gum after every meal my results showed that it helped reduce their overall stomach emptying delay. Although I have a 14.9% margin of error so I can’t be certain yet. Replication is definitely needed.

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I want to carry out this experiment again next year on a new group of 45 people who suffer from gastroparesis. If my results are around the same, I’ll know that they are more valid.

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My sample size is 45 people. This puts my margin of error at 14.9%. This could be lowered but I would have to find more people that have this condition and I would be spending more money.

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Crossover design could be used in this study. I could have all the gum subjects do the pineapple gum or no gum, and see how their emptying worsened or relieved. However, this would be pretty costly to me because I would be paying for three times as much gum and the results could be inconclusive because I’m specifically testing peppermint gum and stomach emptying results.

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I could’ve done matched pair design by pairing people who were on the same diet, how many times they ate in a day, or where they lived in Phoenix. I didn’t do this because I assigned groups on the spot while I was in the mall and didn’t have a chance to match pairs up. If I had wanted to get more information about someone another person could’ve overheard what my study was all about.

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I made sure there was an equal number of 7s, 8s, and 9s ratings in each group. This means that I blocked emptying delay severity. This will help be make sure that the results I receive are not due to too many 9’s in one group or too many 7s in another.

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There is a blind in this study because the people who get the peppermint gum and pineapple gum don’t what I’m testing for specifically. So they don’t know if I’m testing if gum helps aid digestion or a certain flavor does. The control group is not blind because they aren’t getting any gum. There is no double-blind because I will know which treatment each person is getting.

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I don’t have a placebo for gum as that’s not possible, I do have a control group, which is the 15 people who don’t eat a piece of gum after a meal for the 1 month.

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My response variable will be the rating of the severity of people's gastroparesis after a month. Specifically the reduced delay in emptying. So I'm looking for someone to go from a 70% delay in emptying to a 65% or lower.

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My explanatory Variable is which type of gum each person eats over the time period

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I gave 15 people extra peppermint gum, 15 people trident pineapple gum, and 15 people no gum. I asked them to have 1 piece of gum after every meal they ate and asked them to have their gastric emptying study repeated after 1 month.

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I went to Arrowhead Mall and asked people who were shopping if they suffered from a condition called Gastroparesis. Gastroparesis is a condition in which your stomach cannot empty itself of food in a normal fashion. What that means is that your stomach doesn’t digest food normally. I asked people walking by if they had this condition and if they would take a survey to rate the severity of it. Knowing that the average person has 100% of food leave their stomach after 3 hours here is what the numbers would represent. A 1 would be a 10% delay from the normal, a 2 would be a 20% delay, a 3 would be a 30% delay, and so on. I only got people who were above a 7 on a scale of 1-10 and excluded the number 10 because you can’t have a 100% delayed emptying. Anyone who was a 7 and above I asked if they were willing to volunteer and participate in my study.

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45 adults, ages 20-30 who live in the Phoenix-metro region and have problems with digesting food.

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My experimental study will attempt to determine if chewing peppermint gum after a meal will speed up digestion time over a 1 month period.