Which of the following is a similarity between longitudinal and cross-sectional studies?
A) Both types are classified as experimental studies.
B) Both types include a group of subjects called a cohort.
C) Both types can be designed as either retrospective or prospective studies.
D) Both types follow subjects over a period of time.

Question

Quizplus · Accepted Answer

Both longitudinal and cross-sectional studies can be designed as either retrospective, looking back at events that have already occurred, or prospective, looking forward at events that will occur, allowing researchers flexibility in how they approach their study design.

Which of the Following Is a Similarity Between Longitudinal and Cross-Sectional