Experimental Studies
Cohort Studies
Case-control Studies
Bias, Confounding, Random Error
Potpourri
100

List another name for experimental studies:

Randomized clinical trials, clinical trials, intervention studies. 

100

Type of cohort study that begins and follows participants into the future.

Prospective cohort study.

100

Those who have the disease in question are called this:

Cases.

100
This leads to false association between exposure and disease that arises from chance.

Random error.

100

This former first lady just passed away this week. 

Who is Rosalynn Carter.

200

This creates two groups that are exactly the same but one group gets the treatment and the other does not. 

Randomization.

200

Type of study that takes data from the past to study disease incidence in current times. 

Retrospective cohort study. 

200

Those who do not have the disease are termed this:

Controls. 

200

The mixing of effects between an exposure, an outcome, and a third variable.

Confounding. 

200

This is another name for the country of Denmark

Greenland.

300

This is when the investigator is unaware of the participant's treatment assignment

Masking
300

These type of cohorts investigator unusual or rare exposures in a population.

Special cohorts 

300

Population from which study subjects are drawn

Source population

300

This is when investigators must evaluate whether the observed result is true.

Internal validity. 

300

First woman to fly solo across the Atlantic Ocean.

Amelia Earhart 

400

The extent to which results from a study can be extended or useful to people who did not participate in the study. 

Generalizability

400

The theoretical concept in a cohort study where the ideal comparison group would consist of exactly the same individuals in the exposed group had they not been exposed. 

Counterfactual ideal. 

400

What (OR) stands for when epidemiologists are estimating relative measures of comparison.

Odd ration

400

An error that results from procedures used to select subjects into the study or the analysis.

Selection bias 

400

How many time zones does the contiguous United States have?

4

500
A state in which the investigators truly do not know whether one treatment is better than another, but believes that withholding treatment from one group of participants will not harm them. 

Equipoise

500

This type of comparison group is the most comparable to the exposed group. 

Internal comparison groups. 

500

This is the period of increased risk following an exposure.

Hazard period. 

500

Occurs when there is a differential level of accuracy in the information provided by the comparison group participants. 

Recall bias. 

500

The name of the scale that earthquakes are measured. 

Richter Scale. 

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