A chart that shows the proportion of cases according to several
categories is called a Correct Answer pie chart
A chart used to display the frequency distributions for grouped
categories of a continuous variable is called a histogram.
Correct Answer true
A group of smokers and non-smokers were enrolled in a study
of chronic lung diseases. During the five years of study period,
the researchers lost some of the study participants. Therefore,
the researchers followed the smokers and the non-smokers for
64,245 and 58,569 person-years, respectively. During the study
period, 300 of the smokers and 100 of the non-smokers
developed chronic lung diseases. Which morbidity measure
should the researchers calculate? Correct Answer incidence
density
A necessary cause is sufficient by itself to produce the effect.
Correct Answer false
A noncausal association is one that may be due to chance or
random factors. Correct Answer true
A sample-based range of values that with a certain degree of
probability contain the population parameter. Correct Answer
confidence interval estimate
A scale that comprises categorical data that can be ordered or
ranked is a Correct Answer ordinal scale
, A stochastic causality model is also called a deterministic
causality model. Correct Answer false
A sufficient cause is a cause Correct Answer that is sufficient
by itself to produce the effect
A sufficient cause is sufficient by itself to produce the effect.
Correct Answer true
A variable for describing a characteristic of a population is
called Correct Answer parameter
Accounts of a single occurrence of a noteworthy health-related
incident or of a small collection of such events are known as
case series. Correct Answer false
AIDS is an example of a nationally notifiable disease. Correct
Answer true
All cases of a disease, health condition, or deaths that exist at a
particular point in time in a specific population is known as
period prevalence Correct Answer false
All of the following are considered ratios except Correct
Answer time
All of the following are descriptive study designs except
Correct Answer case control
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