Katie is designing a study that will include four time points to assess how students’ depressive symptoms change across the first year in college. what are two major limitations associated with this longitudinal research design?

A longitudinal study is defined as a design that deals with repeated observation and consist of same variables over a period of time.

Explanation:

There are various limitations of longitudinal research but the most important limitation is that is there is huge possibility of unpredictable outcomes. Longitudinal study is based on various cases  that is it observes individual for a long period of time and thus it is qualitative in nature.

In case of longitudinal research its very time consuming that is it require much amount of time and the data that is collected is not at all 100% reliable. It is expensive in nature and large sample size is required.

answer; i believe that the correct answer is (c) ///

answer; i believe the correct answer is prefrontal cortex;