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Is my memory enhancing drug effective in improving memory and recognition in peoples brains

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We went to 3 different collage campus's and selected 300 men and women ranging in age from 18-24.

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We went two 3 different collages and found the classes/lectures with the largest population and asked all students ranging from age 18-24 if they wanted to take part in a memory enhancement study.

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We randomly selected 100 of the willing participants from each collage that fit within the guidelines. We then asked them to listen to 10 words then repeat as many as they could in reverse order. Split into three groups we made sure that there was an even distribution of scores and ability among groups. We also made sure to have an equal ration of men to women in all 3 groups.

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The control group would be the 100 students who didn't receive treatment. The control would be the number of words they could recall before any treatment.

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At the end of the study I compared the students results pre and post treatment. Now the students who received no treatment went from averaging 3.2 words to averaging 3.5. There was no significant change. The students who were given the placebo went from 3.3 words to about 4.2 again no real significant difference. The .9 difference could be credited to the placebo affect. Now the students who did receive the drug went from 3.3 words to 8.9 words. This is a very significant result showing the effectiveness of the drug.

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The treatment would be that after 10 days 100 of the students would receive the treatment, 100 students would take a placebo. And then 100 students would receive no treatment of any kind. In the first 10 day faze none of the students would be administered any type of treatment. They would be played a series of 10 words that changed everyday and then be asked to recall as many words as the could in reverse order. In the 2nd 10 day faze 100 students would be administered the drug, 100 given the placebo and the remaining 100 would be given no treatment. In this 10 day time period they would not be asked to complete any tasks. In the 3rd faze all the students would be asked to complete the same task in faze 1.

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There is no blind in my study as it is not possible. There is no double blind in my study as I know which students are taking what.

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With a sample size of 300 people my margin for error is 5.7%. This means that the final results should be a pretty good representation of the population and that they will quite accurate

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The response variable was after the 30 week trial the students receiving treatment showed any growth in there ability to recall the words given to them each day.

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This study can be replicated with ease as it is pretty straight forward. It can be done with a much larger sample size or smaller sample size. I plan to replicate my study with 600 more students from different collages in the future.

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there are 100 students that are taking the placebo so that we have a group in which to provide a larger comparison.

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The explanatory variable is weather or not the subject is receiving the treatment.

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The lurking variables would be that we do not know if any of the students could be taking any medicine or participating in any activities that could possibly alter there memory. Nor do we know if there is and disabilities or injuries that could skew the results.

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The statistical significance of these finding is that the drug they were given is proven to be effective in enhancing memory. As they study shows that there was a 63% increase in the students ability to recall the words. And with a 5.7% margin for error its quite conclusive the accuracy of my results.