QUESTION 2 What is another name for generalizability? External validity Stratification Internal validity Dissemination C

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QUESTION 2
What is another name for generalizability?
External validity
Stratification
Internal validity
Dissemination
Confounding
1 points
QUESTION 3
Which of the following is not a type of bias?
Misclasification bias
Information bias
Confounding
Selection bias
Randomization bias
1 points
QUESTION 4
Switchover occurs when the:
odds ratio is 1.0
sample odds ratio is biased away from the null
odds ratio in the sample is on the opposite side of the null
compared with the population value
sample odds ratio is biased towards the null
population and sample odds ratios are the same
1 points
QUESTION 5
In what stage(s) of a study can we work to minimize bias?
in both the design and analysis stages
in the design stage only
in the analysis stage
neither the design nor the analysis stage
1 points
QUESTION 6
Selection bias only occurs in cross sectional studies.
True
False
1 points
QUESTION 7
Match each of the following terms to the best description.
-
Accuracy
-
Precision
-
Validity
1.
Obtaining the same results if repeated measurements are taken
2.
How close the estimate is to the truth
3.
The extent to which something measures what it is supposed to
measure
4.
Drawing conclusions about a population based on a sample
3 points
QUESTION 8
______ occurs when studies with statistically significant
results are more likely to be published than studies with results
close to the null.
Confounding
Validity
Selection bias
Generalization
Publication bias
1 points
QUESTION 9
The true population parameter (statistic) might actually lie
outside a 95% confidence interval, but there is only a ______
chance of this happening.
10%
5%
1%
20%
90%
1 points
QUESTION 10
The estimated measure of association (e.g., odds ratio) in the
sample is not always equal to the corresponding measure of
association in the study population.
True
False
1 points
QUESTION 11
Which of the following is true if the estimated relative risk
(RR) equals 1.3 in the sample and it is determined that there is a
bias away from the null.
The RR in the source population is negative.
The RR in the source population is equal to 1.3.
The RR in the source population is greater than 1.3.
The RR in the source population is less than 1.3.