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Sufficient vitamin D intake and supplements. .

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The goal of the experiment is to determine if students between the ages of 18 and 21 receive enough vitamin D.

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Experimental Units- For this experiment 75 students between the ages of 18 and 21 will be chosen for the task.

Selection Method- Qualifying students  that attend the ASU Tempe campus will be randomly chosen by a random number generator.

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The seventy five units of the experiment will be randomly divided in three groups of twenty five units each.
Group 1- Will be receiving Vitamin D supplements
Group 2- Will receive a placebo vitamin D capsule
Group 3- Control, will not receive anything

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The vitamin D supplement or placebo.

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Vitamin D levels on each individual.

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The control group who will not receive anything will be used to compare the normal vitamin D levels v. the ones who were given the supplements or placebo.

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There is a blind in the study as the varying diets of the students could supply more vitamin D to ones than others or even something such as sun exposure could change vitamin D levels of the units. As each student would be monitored and it would be known who is taking what there is no double-blind.

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The way the units where chosen was by obtaining the student list in alphabetical order and numbering each student then from a random number generator choosing the seventy five units in blocks of twenty five. This way it would be ensured that there’s a proportionate ratio of male to female and variety in body type, ethnicity, etc.

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The matched pair design would have been possible but it would have been very difficult to find aspects from different people that determined their vitamin D levels in order to match them up and conduct the study.

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This would have been possible but it would require a lot more time and effort to give patients different treatments every time.

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For this experiment the margin of error was 13.4% as there was a sample size of 75.

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The experiment can be replicated again in the upcoming winter where there is less sunshine and people’s diets can change as well to obtain a more true result and reduce or eliminate blinds. According to the results we can determine whether or not the results are significant.

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Fictional Results/ Statistical Significance 

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Fictional Results/ Statistical Significance 

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When the three months of the study have passed each participant will be taken to a clinic to get their vitamin D levels examined and determine whether or not supplements can play a helpful role in aiding health