Which Is NOT Generally True of Intervention Programs Aimed at Enhancing

Which is NOT generally true of intervention programs aimed at enhancing the intellectual development of preschoolers?

A) The programs result in sustained long-term gains in intelligence scores among participants.
B) Participants' intelligence scores initially increase, but the gains eventually decrease.
C) Program participants are less likely to be assigned to special education classes than nonparticipants.
D) Participants are more likely to graduate from high school than nonparticipants.