chloedfite4961 chloedfite4961
  • 24-05-2018
  • Social Studies
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Researchers want to know whether or not vitamin d is an effective treatment for multiple sclerosis (ms). they conduct a study in which they randomly assign participants with ms to take vitamin d or placebo daily. this is an example of a summary type of research.

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JennyBeann
JennyBeann JennyBeann
  • 24-05-2018
It is a single blind study
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