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What is longitudinal research?

A. a form of research wherein you interview, test, and observe a group of individuals over a long period of time.

B. a form of research wherein you interview, test, and observe one person over a short period of time

C. statistical research

D. research done lying down

User MrFusion
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1 Answer

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20 votes

Answer:

b

Step-by-step explanation:

User Sdgluck
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