Deck 12: Experimental Studies

Question 1

The sensitivity is the proportion of people who do not have the disease who test negative with the new test.

Answer 1

False

Question 2

Regardless of which analytic approach is used, the research protocol should include specific plans for promoting compliance and minimizing dropouts.

Answer 2

True

Question 3

Which of the following examines where a new test is good at predicting the presence of disease?

A) Positive predictive value
B) Negative predictive value
C) Positive likelihood ratio test
D) Negative likelihood ratio test

Answer 3

C

Question 4

What type of randomization randomly assigns groups of people to an intervention group and other groups of people to a control group?

A) Cluster randomization
B) Block randomization
C) Stratified randomization
D) Cluster randomization

Question 5

Which of the following is the first step when designing an experimental study?

A) Decide on the intervention and eligibility criteria
B) Define what will constitute a favorable outcome
C) Decide on what control is an appropriate comparison for the intervention
D) Select the method for randomizing participants to an intervention or control group