Suppose I am interested in knowing whether adults who are very introverted at age 20 are still highly introverted at age 50. Which of the following statistical analyses will I be most likely to use?

Question

Quizplus · Accepted Answer

The best choice would be the calculation of the correlation between scores on the key variable at two time points in a group of subjects studied longitudinally between age 20 and age 50. This analysis would allow for the examination of the relationship between introversion scores at two different time points for the same individuals, providing insight into whether there is a stable pattern of introversion over time. Choice B would also be a viable option, as it would examine the changes in introversion scores over time for the same individuals, but the correlation analysis is more specific to the research question at hand.

Suppose I Am Interested in Knowing Whether Adults Who Are