Description
QUESTION 1
Which of the following is not an advantage of cross-sectional studies?
Inexpensive
Good for rare diseases
Captures a specific point in time
Can be used to test an association
10 points
QUESTION 2
Select the observational studies from the list below.
Ecological study
Case-control study
Randomized-controlled trials (RCTs)
Cohort Study
Cross-sectional study
1 points
QUESTION 3
The following are objectives of epidemiology except:
Assess the impact of disease
Develop medication to treat disease
Evaluate the standard of health
Determine the natural history of disease
10 points
QUESTION 4
In case-control studies, we have 2 groups of people. The group that has the disease we call and the disease-free group we call . We use the method of to select the disease free people that are very similar to the people with the disease.
10 points
QUESTION 5
External validity can be referred to as the [X] of the study. [one word, check spelling!]
1 points
QUESTION 6
Cohort studies are usually completed in a short amount of time.
True
False
1 points
QUESTION 7
At the end of an RCT, if the treatments are not different but we conclude that they are, then we have committed a _____ error.
Both Type I and Type II error
Neither Type I nor Type II
Type I error
Type II error
1 points
QUESTION 8
One of the advantages of retrospective cohort studies is that they are less expensive
True
False
10 points
QUESTION 9
In cohort studies, we select people based on _______ status.
Income
Education
Disease
Exposure
1 points
QUESTION 10
People selected for a cohort study must not have the disease of interest at the start.
True
False
1 points
QUESTION 11
Every 20 years or so, we see about 5 cases of Disease X. If we wanted to conduct an epidemiological study, which study design would we use?
10 points
QUESTION 12
In case-control studies, how do we select participants?
By exposure status
Both exposure and disease status
We randomly chose people based on both exposure and disease status
By disease status
10 points
QUESTION 13
A [X] cohort study assesses exposure data that was collected in the past, to see if the disease has developed after. (1 word only, check spelling)
1 points
QUESTION 14
In an RCT, if we group people by age and then put them into the treatment or control group, this is called
Matching
Stratified Randomization
Grouping
Grouped randomization
1 points
QUESTION 15
The Framingham study assessed what health outcome?
Diabetes
Obesity
Sexually Transmitted Diseases
Cardiovascular disease
1 points
QUESTION 16
In an RCT, if the treatment actually worked and we concluded that it did not work, then we have committed a ___ error.
Type I and Type II error
Neither
Type II error
Type I error