Question

Tasha is a graduate student studying health and nutrition. A recent study has made claims about the health benefits of dark chocolate. Tasha would like to conduct a similar study to see if she can confirm the findings of the first. She wants to make sure that her study is as close to the original as possible. Which factors of her study can she control?

Answer 1

number of subjects, age and sex of the subject, and length of the study... Just took the quiz(: