A:-Independent Variable
B:-Dependent Variable
C:-Discrete Variable
D:-Continuous Variable
Correct Answer:- Option-B
Question39:-Which among the following statements is NOT applicable to probability sampling method
A:-Every member of the population has an equal chance of being included in the sample
-The chances of members of the population being selected for the sample are known
C:-Sampling error can be calculated
D:-Sampling error remains unknown
Correct Answer:- Option-D
Question40:-Systematic sampling is NOT used when the population is
A:-Large
B:-Scattered
C:-Homogenous
D:-Non-Homogenous
Correct Answer:- Option-C
Question41:-Sentinel surveillance is
A:-Active search for disease in an apparently health individual
B:-Monitoring of rate of occurrence of specific conditions to assess the stability or change in health
C:-A search for a relationship betwen one phenomenon or condition and another that has occurred in the past
D:-Examination of groups of various ages at various stages of development at a time
Correct Answer:- Option-B
Question42:-Which among the following is a characteristic of cross sectional studies
A:-Cause and effect relationship can't be established
B:-It is useful in finding out incidence rate of disease in a community
C:-Attrition or loss to follow up is a common problem
D:-Study tells about the natural history of disease and its future outcome
Correct Answer:- Option-A
Question43:-Relative risk, attributable risk and incidence rate can be calculated in
A:-Case control study
B:-Cohort study
C:-Retrospective study
D:-Descriptive study
Correct Answer:- Option-B
Question44:-Pygmalion effect is another name for
A:-Selection bias
B:-Memory or recall bias
C:-Interviewer's bias
D:-Berkesonian bias
Correct Answer:- Option-C
Question45:-Absolute zero and meaningful ratio of scores exist in
A:-Nominal scale
B:-Ordinal scale
C:-Interval scale
D:-Ratio scale
Correct Answer:- Option-D
Question46:-Prevalence = Incidence in
A:-Ultra short diseases like food poisoning
B:-Acute diseases like influenza
C:-Suicides which have zero duration
D:-Chronic diseases like diabetes
Correct Answer:- Option-B
Question47:-Which among the following is used to represent continuous type of quantitative data
A:-Bar diagram
B:-Pie diagram
C:-Histogram
D:-Spot map
Correct Answer:- Option-C