A quasi-experimental research design would be preferable to an experimental design in which of these situations?
a. A smaller sample size is sufficient to obtain significant results.
b. Demonstration of a cause-and-effect relationship is the desired outcome.
c. Descriptive statistics will be used to analyze the data.
d. Data will need to be collected in a real-world setting.
ANS: D
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A Sample size is not a determinant of research design.
B An experimental design is stronger than a quasi-experimental design for establishing a cause-and-effect relationship.
C Descriptive statistics are used to analyze data in both quasi-experimental and experimental studies, although additional, inferential statistics are used in the analysis of experimental studies.
D Quasi-experimental studies are more appropriate in real-world settings, where randomization is difficult or impossible.
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