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A Researcher Has 10 Subjects with Down Syndrome

Question 47

Multiple Choice

A researcher has 10 subjects with Down syndrome. All of the subjects are 3 months old, and the researcher is planning to observe these subjects for four consecutive years. What type of research method is being used?


A) Cross-sectional method
B) Longitudinal method
C) Mixed-longitudinal method
D) Mixed-sectional method
E) Cross-cultural method

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