Solved

Use the Following Information for Questions

Question 14

Multiple Choice

Use the following information for questions:
Decide if the study is an observational study or an experiment.
-100 students were followed over a 6-month period. The number of students who took Echinacea (a herbal supplement) and the number who developed colds were recorded.


A) Observational Study
B) Experiment

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions