Question

Which two of the following are not characteristics of surveys?

A. The study compares two or more treatments,
B. Statistical analysis is applied to the results of the study
C . The study involves one or more treatment groups and a control
group.
. D. Data are gathered during the course of the study.

Answer 1

Answer: A. The study compares two or more treatments (possibly including "no treatment").

C. The study involves one or more treatment groups and a control group.

Explanation: