Quiz 7 (Randomized Controlled Trials / Quantitative Study Features)

Question 1

A true randomized controlled trial makes use of:

Answer 1

Comparison of measurements before and after the intervention.
Random assignment to either treatment or placebo group.
A placebo group that is not different in any way from the treatment group.

Question 2

In intent-to-treat analysis, one analyzes the data according to the actual treatment received, regardless of the treatment assigned via randomization.

Answer 2

False

Question 3

If randomization is affected in a randomized controlled study, what impact will this have?

Answer 3

Decrease internal validity

Question 4

If the confidence interval includes 1.0, the results are:

Answer 4

Not statistically significant.