1. Arce-Ferrer, A. J. (1998). An investigation of standard errors of proportions for use in reporting test results with achievement levels. (Doctoral dissertation, University of Iowa, 1998) Dissertation Abstracts International, 60(2), 398.
2. Allen, N., Johnson, E., Mislevy, R.& Thomas, N. (1994). Scaling procedures. In (Ed.), The NAEP 1994 technical report (pp. 247-266). Washington, DC: U.S. Department of Education.
3. Blank, R. K., Manise, J. G. & Brathwaite, C. (1997). State education indicators with focus on Title 1. Washington DC: Council of Chief State School Officers.
4. Blommers, P. J. & Forsyth, R. A. (1977). Elementary statistical methods in psychology and education. Boston: Houghton Mifflin.
5. Carlson, D. (1996). Adequate yearly progress: Issues and strategies. Washington DC: Council of Chief State School Officers.