Question 1

Descriptive epidemiology studies seek to identify the risk factors for various health outcomes or to test the effectiveness of interventions intended to improve health status.

Accepted Answer

Descriptive epidemiology focuses on describing the distribution of diseases and health outcomes in populations, not on identifying risk factors or testing interventions.

Question 2

Primary studies are often time-consuming because they require the collection of new data from participants.

Accepted Answer

Primary studies involve gathering new data directly from participants, which can be a lengthy process due to the need for designing the study, recruiting participants, and collecting and analyzing the data.

Question 3

What type of studies seek to recruit a study population that is representative of a well-defined larger population?&#10;A) Case-control studies&#10;B) Case series&#10;C) Cross-sectional studies&#10;D) Meta-analysis

Accepted Answer

Cross-sectional studies aim to recruit a study population that is representative of a larger population to assess the prevalence of outcomes or characteristics at a specific point in time.

Question 4

Secondary data collection might become labor intensive if which of the following have to be retrieved, read, coded, and entered into a database?&#10;A) Questionnaires&#10;B) Abstracts&#10;C) Full-text journal articles&#10;D) Old hospital charts

Accepted Answer

Secondary data collection can be labor-intensive when full-text journal articles or old hospital charts have to be retrieved, read, coded, and entered into a database.

Question 5

The timeline for what type of study might be very short if an entire data file and the relevant supporting documentation can be downloaded from a website?&#10;A) Primary study&#10;B) Secondary study&#10;C) Tertiary study&#10;D) Quaternary study

Accepted Answer

A secondary study involves analyzing existing data, which can be quickly accessed and utilized if available online.

Deck 7: Overview of Study Designs