A nurse researcher will choose an ex post facto design over more a correlational design for which reason?
a. It is easier to implement.
b. The independent variable can be manipulated.
c. There is a greater degree of control in the design.
d. There is increased flexibility when variables relationships are complex.
ANS: C
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A An ex post facto design is not inherently easier than correlational design.
B No variable is manipulated in an ex post facto design.
C A retrospective or ex post facto study offers a higher level of control than a correlational study.
D Complex interrelationships usually decrease flexibility in a study.
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