From The early 1960s, 3- and four-year-olds with low IQs from small-revenue households have been randomly assigned to both the Higher/Scope Perry Preschool Application – an educational program together with residence visits – or no intervention. Home visits have been intended to strengthen parental engagement in the child’s education. Members http://telent.ussoft.kr/bbs/board.php?bo_table=free&wr_id=1633176