Which of the Following Statements Was Not Found in the Research

Which of the following statements was not found in the research on the persuasiveness of virginity pledges (Buckner & Bearman, 2005) ?

A) The majority of those who make pledges do not have sex before marriage.
B) Those who make virginity pledges tend to have sex at a later age than those who do not pledge.
C) Those who make a pledge are less likely to use a condom when they initially have sex.
D) There is no significant difference in the number of sexually transmitted diseases between those who make the pledge and those who do not.