Scientifically based research (SBR)[5], also Evidence-based practice in education, first appeared in United States Federal legislation in the Reading Excellence Act[6] and subsequently in the Comprehensive School Reform program[7]. However, it came into prominence in the U.S.A. under the No child left behind act of 2001 (NCLB), intended to help students in kindergarten through grade 3 who are reading below grade level.