Which of the following characteristics of experiments are also characteristics of surveys?
Check all that apply.
I A. The study involves one or more treatment groups and a control
group.
B. Replication with different groups of subjects can improve the
reliability of the study.
I c. Data are gathered during the course of the study.
D. The study compares two or more treatments (possibly including
"no treatment").
O E Statistical analysis is applied to the results of the study.
SUBMIT