What is the first question that should be asked in determining whether a cross-sectional design or a longitudinal design should be used in a quantitative study?
a. Is there an independent variable?
b. What is the nature of the problem being studied?
c. Will a measurement tool or instrument be needed?
d. Can statistical analysis be applied to the study data?
ANS: B
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A Independent variables are used in both cross-sectional and longitudinal studies.
B The nature of the research problem determines whether a cross-sectional or longitudinal design should be used.
C A measurement tool or instrument can be used in both cross-sectional and longitudinal designs.
D Statistical analyses can be used in both cross-sectional and longitudinal designs.
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