Why would a nurse researcher choose an ex post facto design over more a correlational design?
A) It is easier to carry out.
B) The independent variable can be manipulated.
C) There is a greater degree of control in the design.
D) There is increased flexibility for study when relationships among the variables are complex.

Question

Quizplus · Accepted Answer

Correct C: A retrospective or ex post facto study offers a higher level of control than a correlational study.
Incorrect A: An ex post facto design is not inherently easier than correlational design.
Incorrect B: No variable is manipulated in an ex post facto design.
Incorrect D: Complex interrelationships usually decrease flexibility in a study.

Why Would a Nurse Researcher Choose an Ex Post Facto