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PH 3300 Epidemiology Questions with Correct Answers
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PH 3300 Epidemiology Questions with Correct Answers
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PH 3300 Epidemiology Questions with CorrectAnswers
Definition of Epidemiology Correct Answer ✓✓ Concerned with the
distribution and determinants of health and diseases, morbidity, injuries,
disability and mortality in populations
Nominal Scale Correct Answer ✓✓ qualitative data with unordered
categories
ordinal scale Correct Answer ✓✓ qualitative data with ordered
categories
interval scale Correct Answer ✓✓ a scale of measurement in which the
intervals between numbers on the scale are all equal in size WITHOUT
a true scale
ratio scale Correct Answer ✓✓ a quantitative scale of measurement in
which the numerals have equal intervals and the value of zero truly
means "nothing"
simple random sampling Correct Answer ✓✓ every member of the
population has an equal probability of being selected for the sample
stratified random sampling Correct Answer ✓✓ A form of probability
sampling; a random sampling technique in which the researcher
, identifies particular demographic categories of interest and then
randomly selects individuals within each category.
systematic sampling Correct Answer ✓✓ A procedure in which the
selected sampling units are spaced regularly throughout the population;
that is, every n'th unit is selected.
cluster sampling Correct Answer ✓✓ A probability sampling technique
in which clusters of participants within the population of interest are
selected at random, followed by data collection from all individuals in
each cluster.
incidence rate Correct Answer ✓✓ number of new cases of a disease
prevalence rate Correct Answer ✓✓ Total number of existing cases.
adjusted rate Correct Answer ✓✓ statistical procedure that removes the
effects of differences in the composition of a population
descriptive epidemiology Correct Answer ✓✓ who, what, where and
how many?
Case reports Correct Answer ✓✓ accounts of a single occurrence of a
noteworthy health-related incident or small collection of such events
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