Angelique would like to conduct a longitudinal study to assess college students' emotional maturity. Which of the following should she do?
Group of answer choices
compare the emotional maturity of college freshmen with that of college seniors
measure and compare the emotional maturity of siblings who are both in college
assess students at the start of each of their four years at college and compare those scores at their graduation
complete a twin-study where she measures and compares the emotional maturity of identical and fraternal twins during their junior year of college