CASE CONTROL
Persons with the disease..
What is a case?
Follows a cohort into the future for a health outcome.
What is a prospective study?
Cross-sectional studies are also known as…
What is a prevalence study?
An inactive comparison that is similar to the therapy being tested...
What is a placebo?
The two types of cohort studies are...
What are prospective and retrospective cohorts?
Persons without the disease..
What is a control?
Looking back in time at the cohort for exposure information after the outcome has occurred.
What is a retrospective study?
The percentage of the population with a given trait at the time of a study.
What is the prevalence rate?
The gold standard for evaluating treatments is known as an advantage for RCTS.
What is True?
In a cohort study, when the incidence rate was lower in the exposed than in the unexposed suggesting that the exposure was protective, that means your Risk Ratio was __
What is less than 1?
Two disadvantages of a case control study...
What is subject to recall bias? or
What is studies one disease outcome?
Individual exposures of interest are identified at baseline through...
What are interviews? or
What are questionnaires? or
What are medical records?
Compares the prevalence rates for the same variable in two populations by taking a ration of them.
What is prevalence rate ratio?
RCT’s require a large sample size which is an advantage.
What is False?
An observational retrospective study meaning that it starts with cases and controls and goes backward in time to identify their exposure status in both groups from the same source population.
What is a case-control study?
Three advantages of a case-control study...
What is relatively inexpensive & fast? or
What is can study many risk factors of outcome? or
What is good for rare diseases?
All cohort members are …
What is AT-RISK?
Cost effective and easy to implement are disadvantages for cross-sectional studies...
What is False?
A method based on chance alone by which study participants are assigned to a treatment group. It minimizes the differences among groups by equally distributing people with particular characteristics among all the trial arms.
What is randomization?
A type of study in which participants are randomly assigned to one of several intervention groups, including at least one treatment group and one comparison or control group.
What is a randomized controlled trial?
Where both the cases and the controls are selected based on whether or not they have the disease in question...
What is the source population?
Helps to find the number of subjects who developed the outcome...
What is risk?
Does not generalize to future time points and bias occurs when certain people are the only respondents is a limitation of cross-sectional studies.
What is True?
The group that receives the intervention/exposure in the study is the...
What is the intervention group?
A type of study that collects data at a single point in time; often used to identify the prevalence of a particular condition within a given population.
What is a cross-sectional study?