.
Experimental study
Case series
Clinical trial
Cohort study
Case-control study
23%
29%
63%
99%
100%
23%
29%
63%
99%
100%
8 days
12 days
16 days
20 days
1,500/1700
200/96,000
95,800/96,000
1,500/4,000
2,500/4,000
For a comparison between a new SSRI drug and Venlafaxine
To compare the difference between random sampling and alternate sampling methods for assessing the efficacy of [CT and psychotherapy as a treatment for depression patients with psychotic depression
To document a cluster of Wegener's granulomatosis cases that has recently appeared in your area
To evaluate the effects of Team Based Learning (TBL) versus didactic lecture
None of the above
The degree to which an instrument measures what it is supposed to measure.
The degree to which results are consistent on a repeat measurement
A measure of the degree or strength of association between two variables.
Concerned with measuring the frequency of new cases with reliability
None of the above
The degree to which an instrument measures what it is supposed to measure
The degree to which results are consistent
A measure of the degree or strength of assoclation between two variables
Concerned with measuring the frequency of new cases with reliability
Ensuring that patients all take a test under the same conditions
Internal consistency
Test-retest reliability
Discriminant validity
Convergent validity
Predictive validity
Correct
Incorrect, because the comparison is not based on rates
Incorrect, because no control or comparison group is used
Incorrect, because no test of statistical significance has been made
Incorrect, because prevalence is used instead of incidence
0,5
2,0
2.3
8,0
1,0
. 80%
40%
16%
20%
Cannot be computed from the data given
A disease that has a low rate of occurrence but that is constantly present in a community or region
An attack rate in excess of 10 per 1,000 population
The occurrence of finesses of similar nature clearly in excess of the normal expectation for that population at that time
Diseases of the respiratory system that occur seasonally
The annual case rate per 100,000 population
300 per 100,000
60 per 1,000
10 per 1,000
100 per 1,000
200 per 1,000
Smoking during pregnancy retards fetal growth
The difference observed between mean birth weights was too large to have occurred by chance alone
The difference observed between mean birth weights could have been easily occurred by chance alone
The number of patients studied was not sufficient to achieve a conclusive result
Smoking during pregnancy does not influence fetal growth
5.0
1.0
3.2
2,0
7.5
For a comparison between a new SSR1 drug and Venlafaxine
To compare the difference between random sampling and alternate sampling methods for assessing the efficacy of ECT and psychotherapy as a treatment for depression patients with psychotic depression
To document a cluster of Wegener's granulomatosis cases that has recently appeared in your area
To evaluate the effects of Team Based Learning (TBL) versus didactic lecture
None of the above
The degree to which an instrument measures what it is supposed to measure.
The degree to which results are consistent on a repeat measurement
A measure of the degree or strength of association between two variables
Concerned with measuring the frequency of new cases with reliability
None of the above
The degree to which an instrument measures what it is supposed to measure.
The degree to which results are consistent
A measure of the degree or strength of association between two variables.
Concerned with measuring the frequency of new cases with reliability
Ensuring that patients all take a test under the same conditions.
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