A Seventh-Grade World Cultures Class Visited New York City on September

Multiple Choice

A seventh-grade world cultures class visited New York City on September 11, 2000, and then completed a survey regarding their mood, interest in the city, and cultural differences between the United States and the Middle East. The next year the following seventh grade class visited New York City on September 11, 2001. The students were present during the September 11^th attacks and witnessed all of the chaos and terror in the city. When the students safely made it back to school they were asked to complete the same surveys that the students of the previous year did. When considering the data from the 2001 seventh-grade class what should the teacher be most concerned with?

A) maturation
B) mortality
C) history
D) testing effects