Which research design should be used to determine whether there is a difference in the effectiveness of two preoperative preparation methods on length of stay?
A) Survey design
B) Experimental design
C) Nonexperimental design
D) Descriptive comparison design

Question

Quizplus · Accepted Answer

An experimental design would be best as it allows for the manipulation of the preoperative preparation methods and random assignment of participants to the different methods, thereby providing control over potential confounding variables. This would enable a determination of causality and allow for comparison of the effectiveness of the two methods in terms of length of stay.

Which Research Design Should Be Used to Determine Whether There