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Advanced Placement (AP), 07.04.2020 04:43 antant89

A high school student wants to research how a new curriculum affects academic outcomes of students. After the first semester,
she gathers data from twenty freshman and twenty seniors.
What type of study is she conducting?

A. Longitudinal study
B. Cross-sectional study
C. Case study
D. Randomized controlled trial
E. Meta-analysis

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