Compared with a quasi-experimental design, which of these characteristics should a nurse expect to see only in a true experimental design?
a. Experimental treatment
b. Informed consent
c. Hypotheses
d. Random assignment
ANS: D
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A Experimental treatment is present in both quasi-experimental and true experimental designs.
B Informed consent is required for all types of research involving human subjects.
C Hypotheses are included in both quasi-experimental and true experimental designs.
D Random assignment to groups is not present in a quasi-experimental study.
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