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Chemistry, 13.10.2020 05:01 cmay454

Malia is interested in observing cognitive development in children and wants to design a study that will allow her to observe small changes in how 6-year-olds learn to solve problems. She plans to collect data from each child every week for three months. Which design is her best choice?

A] microgenetic
B] cross-sequential
C] cross-sectional
D] longitudinal

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