1. American Educational Research Association, American Psychological Association, & National Council on Measurement in Education. (1985). Standards for educational and psychological testing. Washington, DC: American Psychological Association.
2. The intervention efficiency index;Bagnato;Exceptional Children,1980
3. Long-term effects of early childhood programs on cognitive and school outcomes;Barnett;The Future of Children,1995
4. Long-term effects on cognitive development and school success;Barnett,1998
5. Benefits of compensatory preschool education;Barnett;Journal of Human Resources,1992