What study of type would be most appropriate when data are collected at only one point in time?
A) Cross-sectional
B) Retrospective
C) Longitudinal
D) Prospective

Question

Quizplus · Accepted Answer

Correct A: Cross-sectional design is associated with data collection at one point in time.
Incorrect B: Retrospective design is analysis of data that has already been collected.
Incorrect C: Longitudinal design involves data collection over a specific period.
Incorrect D: Prospective design involves data collection over time into the future.

What Study of Type Would Be Most Appropriate When Data