A Medical Researcher Reads an Article in "Today's Health-Conscious Woman

Multiple Choice

A medical researcher reads an article in "Today's Health-Conscious Woman" magazine about the benefits of using the phytochemical capsaicin to treat knee pain.She asks 10 people with arthritic knees to rub a cream that contains the phytochemical on their knee joints for two weeks.At the end of the two weeks,the researcher asks the subjects whether their knee pain improved,stayed about the same,or worsened during the treatment period.After collecting responses from the people,the researcher reports the results of her study during a popular TV show that is hosted by a doctor.Based on this information,which of the following statements is true?

A) The researcher reviewed scientific literature regarding the use of capsaicin to treat knee pain.
B) The researcher used a standard scientific design for research involving human subjects.
C) The researcher did not divide the subjects of her study into control and treatment groups.
D) The researcher subjected the results of her study to peer-review.