Can a study be both cross sectional and longitudinal

Can a study be both cross sectional and longitudinal

Cross sectional study designs and case series form the lowest level of the aetiology hierarchy.It functions as a snapshot of how test subjects respond to the study environment.A longitudinal study is proved to be expensive, but a cross sectional study is pocket friendly.The second requires a longitudinal study.Frequently asked questions about longitudinal studies 1.

Also known as transverse or prevalence.Both longitudinal studies and cross sectional studies are two types of observational studies.Despite this marked similarity, there are distinctive differences between both these forms of study.

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