Bearman and Bruckner's analysis of data from over 90,000 students showed that
A) Virginity pledges are most effective when a significant proportion of students at a school takes the pledge.
B) About 90 percent of students taking a virginity pledge stayed virgins till at least age 20.
C) When virginity pledgers did have heterosexual intercourse, they were far less likely to use contraception.
D) Pledges were least effective for younger students.
Question 2
Unlike racial portraits, working-class portraits have remained virtually the same throughout television's relatively young history
Indicate whether this statement is true or false.