What Is the Difference Between a Randomized Controlled Trial and a Quasi-Experiment

Multiple Choice

What is the difference between a randomized controlled trial and a quasi-experiment?

A) A randomized controlled sample is always ethical.
B) In a quasi-experiment, the two groups are compared on the independent variable.
C) In a quasi-experiment, participants are not randomly assigned to groups.
D) In a quasi-experiment, participants are randomly assigned to groups.