1. Parent involvement: Parent development;Adams,1976
2. Administration for Children and Families (ACF). (2001). Head Start FACES: Longitudinal findings on program performance: Third progress report. Washington, DC: US Department of Health and Human Services. Available from URL: http://www.acf.hhs.gov/programs/opre/hs/faces/reports/perform_3rd_rpt/perform_3rd_rpt.pdf.
3. Administration for Children and Families (ACF). (2002). A descriptive study of Head Start families: FACES technical report I. Washington DC: U.S. Department of Health and Human Services. Available from URL: http://www.acf.hhs.gov/programs/opre/hs/faces/reports/technical_report/technical_report.pdf.
4. Administration for Children and Families. (2003). Head Start FACES 2000: A whole child perspective on program performance: Fourth progress report. Washington, DC: U.S. Department of Health and Human Services. Available from URL: http://www.acf.hhs.gov/programs/opre/hs/faces/reports/faces00_4thprogress/faces00_4thprogress.pdf.
5. National survey of problems and competencies among four- to sixteen-year-olds;Achenbach;Monographs of the Society for Research in Child Development,1991