Which of the following statements is incorrect?

Quiz 28th July 2023

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University
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Medium
Sanjivani Patil
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A good research question should be Feasible, Interesting, Novel, Ethical and Relevant
A good research question should be in epidemiological terms
A good research question facilitates to choose optimal design
A good research question will focus on one issue
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Characteristics of a good hypothesis are all, EXCEPT
There should be no ambiguity about the study variables
It should be stated ‘a priori’
It can be revised based on the study findings
It should specify one exposure and one outcome
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following study design is better suited to demonstrate a temporal association between exposure and disease?
Cross-sectional study
Case-control study
Cohort study
Ecological study
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is NOT true regarding case-control study?
i. Appropriate for study of rare outcome
ii. More time consuming than cohort study
iii. Multiple exposures can be examined
iv. Relatively expensive compared to cohort study
Both (i) and (ii)
Both (ii) and (iii)
Both (ii) and (iv)
Both (iii) and (iv)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Using medical records from a tertiary care cancer hospital, a researcher collected data on occupational exposure and lung carcinoma on patients admitted between 2000 and 2010. He classified the patients who had history of working in coal mines as exposed and others as unexposed. He then compared the frequency of lung carcinoma among the exposed and the unexposed. What best describes the study design?
Case control study
Retrospective cohort study
Cross-sectional study
Analytical cross-sectional study
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Probability that a person out of those who tested positive on a screening test has in fact, the disease is known as?
Sensitivity
Specificity
Positive predictive value
Negative predictive value
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If your objective is to estimate the prevalence of a health problem in a community in 2022, Identify the type of research question this study is addressing
Analytical research question
Descriptive research question
Hypothetical research question
Experimental research question
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is incorrect in case of a clinical trial?
All clinical trials must be blinded
Randomization is a critically important step in a clinical trial
All clinical trials must be approved by Institutional Ethics Committee before initiation
It is mandatory to register clinical trials with Clinical Trials Registry of India
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