Secondary data collection might become labor approach is used to investigate the epidemic -
intensive if which of the following have to be ANSWER -True
retrieved, read, coded, and entered into a database?
- ANSWER -Old hospital charts
True or False? The medical information in patient
files is not recorded for research purposes, so
The timeline for what type of study might be very records are unlikely to contain all the information
short if an entire data file and the relevant that researchers would like to know. -
supporting documentation can be downloaded from ANSWER -True
a website? - ANSWER -Secondary Study
What commonly used type of cross-sectional study
What type of studies seek to recruit a study asks participants about their knowledge, attitudes,
population that is representative of a well-defined beliefs, perceptions, practices, and behaviors? -
larger population? - ANSWER -Cross-sectional ANSWER -KAP Survey
studies
What type of study method is used for many of the
True or False? If the goal of the study is to largest studies conducted by the U.S. Centers for
understand populations, describe patterns, or ask Disease Control and Prevention? - ANSWER -
research questions that are not focused on Repeated Cross-sectional survey
causality, the best design may be a cross-sectional
or cohort study. - ANSWER -True
Which of the following would be the first step in
conducting a cross-sectional survey? -
True or False? Primary studies are often time- ANSWER -Define a source population
consuming because they require the collection of
new data from participants. - ANSWER -True
True or False? Cross-sectional surveys are used to
establish baseline data prior to the initiation of
Some case series follow patients for days, months, longitudinal studies. - ANSWER -True
or even years. In this type of study approach, the
case series functionally becomes what type of
study? - ANSWER -Cohort study True or False? Cross-sectional surveys measure the
incidence of various exposure histories, disease
states, and demographic characteristics in one well-
Which of the following is a key characteristic to defined population at one point in time. -
watch out for when performing a case series study? ANSWER -False
- ANSWER -Lack of Generalizability
Longitudinal studies use what type of population in
Which of the following is defined as the percentage which all participants start the study at the same
of members of a population who die of any time and no one is permitted to join later? -
condition during a specified time period? - ANSWER -Fixed population
ANSWER -Mortality Rate
Participants of what kind of study are recruited
True or False? Case definitions are essential for any based on membership in a well-defined source
outbreak investigation no matter which study population? - ANSWER -Longitudinal cohort
, Research Methods Test Questions with Answers Graded A+
study Before conducting a statistical analysis of aggregate
data, the data from each population must be
entered into which of the following? -
What type of study design should be used to ANSWER -Spreadsheet
investigate an exposure that is relatively uncommon
but a source of exposed individuals is available? -
ANSWER -Prospective cohort study For continuous variables and other variables with
responses that can be plotted on a number line,
which of the following is used to calculate the
True or False? Recruiting based on exposure status correlation? - ANSWER -Pearson correlation
makes retrospective and prospective cohort studies coefficient
the optimal study approaches for uncommon
exposures - ANSWER -True
On a scatterplot used to illustrate correlation, when
the points are not exactly linear but a line for trend
True or False? Studies that measure individuals can be drawn through them, the correlation is said to
randomly sampled from the same populations at be which of the following - ANSWER -Moderate
different points in time are using a cohort study
approach. - ANSWER -False
True or False? Correlational studies are a useful
starting point for generating hypotheses about
What type of matching approach is common in associations, but they are not the final word on risk
genetic studies that link each case to a genetic factors for a disease. - ANSWER -True
sibling or another close genetic relative for analysis?
- ANSWER -Matched- Pair matchings
True or False? Direct age adjustment requires
knowing the exposure or disease rates by age group
What type of table is used in case-control studies to in each population - ANSWER -True
compare two dichotomous (yes/no) variables? -
ANSWER -Two-by-two (2x2) table
What type of randomization randomly assigns
groups of people to an intervention group and other
Which of the following is the measure of association groups of people to a control group? -
that readers will expect to be reported for a case- ANSWER -Block randomization
control study - ANSWER -Odds ratio
Which of the following examines where a new test is
True or False? The variables used as matching good at predicting the presence of disease? -
criteria must be considered as exposures during ANSWER -Positive likelihood ratio test
analysis - ANSWER -False
Which of the following is the first step when
True or False? When the entire 95% confidence designing an experimental study? - ANSWER -
interval is less than 1, the odds ratio is statistically Decide on the intervention and eligibility criteria
significant and the exposure is deemed to be
protective in the study population - ANSWER -
True True or False? Regardless of which analytic
approach is used, the research protocol should
include specific plans for promoting compliance and