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Is lavender oil effective cure for headaches and stress?

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We have two different Spas preform our study. Our experimental units will be on the 30 patients that will be our experiment. And the experiment will last take weeks.

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We called a few spas and see what spas will allow us. We picked two spas. When the clients that had neck issues come in they asked if they wanted to be part of essential oil trial that would last 6 weeks.

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15 patients would get massaged with lavender oil and take a capsule of the oil home and apply to neck every other day. The other half will just stick to their regular routine and get a normal massage.

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Our explanatory variable is whether the patient used the lavender and the ones who used without.

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The control group would be the ones that aren't using the lavender oil treatment.

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Our outcome was shown on a website promoting the use of essential oils and the people that used the lavender continue to use the product to help relieve of stress or headaches/

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Our response variable will be when the client returns and see if they lavender oil has had effect.

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The randomized would be the Spas we chose and where they are located. The lurking variable will be if they have recurring headaches or if they are stressed.

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We promoted the essential oil and bought two 10-packs of the lavender. The masseuse used the product and handed it out. Not only, they volunteered with no pay. We did help with sales in return of their help by promoting their business. we also gave the masseuses gift card balance of $20.

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We randomized the 30 clients and the ones who had the lavender oil treatment had a decrease in headaches and stress. The ones who didn't take the treatment showed no sign in change and still had headaches and stress.

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Towards the end of the 8 week trial, the clients that used lavender oil had very great results with minimal stress/headaches. The other group had no difference. The lavender oil showed to be effective alternative for headaches and stress.

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We aren't able to blind the ones that are receiving lavender oil and they would know because they will be taking the oil home with them to apply to their skin. There is no double blind because our team will know what is being applied to the clients.

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Our margin of error is 70.71% to due the fact, I only used two locations to experiment. Its a not strong margin. Our sample size could have been bigger so we could of had a larger difference between the with or without users.––

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We will replicate the trial again but with a different clinic and also do more than 30 people for this study and to try to prove the effectiveness of lavender.