UMD EPIB 301 Exam II Questions with Verified
Correct Answers
T/F: Ecological studies use the individual as the unit of analysis rather than the group
False
Units are selected for an ecological study might be residents of a particular...
a.) state
b.) country
c.) census tract
d.) all
all
T/F: A case-control study can examine multiple outcomes
Flase
What is meant by "ecological fallacy"?
When an unsupported generalization is made from aggregated data to the individual level
Random assignment to subjects to study groups helps to control for..
confounding
Used in case-control studies, a measure of the association between the exposure and
outcome is...
odds ratio
T/F: The Hawthorne effect is a bias that results from participants knowledge of being in a
study
True
Randomized Control Study:
Did randomization work?
Correct Answers
T/F: Ecological studies use the individual as the unit of analysis rather than the group
False
Units are selected for an ecological study might be residents of a particular...
a.) state
b.) country
c.) census tract
d.) all
all
T/F: A case-control study can examine multiple outcomes
Flase
What is meant by "ecological fallacy"?
When an unsupported generalization is made from aggregated data to the individual level
Random assignment to subjects to study groups helps to control for..
confounding
Used in case-control studies, a measure of the association between the exposure and
outcome is...
odds ratio
T/F: The Hawthorne effect is a bias that results from participants knowledge of being in a
study
True
Randomized Control Study:
Did randomization work?
