Dr. cali is conducting a study in which freshmen college students provide brain scans when they first arrive at college. then, the group is followed until graduation, meaning that the students are asked to complete a questionnaire once per semester until graduation. dr. cali plans to correlate brain function during the freshman year with various behaviors that occur later on, during years 2, 3, and 4. which type of study is described here?

The correct answer is a longitudinal study. 

A longitudinal study refers to a type of research study that involves repeatedly collecting data from the same participants of a study over a long period of time. Longitudinal studies are useful when comparing the effects of a certain situation and developments in it over a period of time. For instance, in Dr.Cali's study, by using a longitudinal study design, she can compare behaviors of students each year during college, over the span of four years. 

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