Which of the Following Outcomes Associated with School Transitions Has

Which of the following outcomes associated with school transitions has been empirically supported?

A) Students experience similar problems during the transition from elementary to middle school and the transition from middle school to high school
B) Children experience the initial entry into elementary school as more difficult than the transition to middle or high school
C) High school teachers perceive themselves to be more effective than elementary school or junior high school teachers
D) Students experience twice as many problems on average during the transition to middle school compared with the transition to high school