1. Developing measurement theory for classroom assessment purposes and uses;Brookhart;Educational Measurement: Issues and Practice,2003
2. A strategy for evaluating district developed assessments for state accountability;Buckendahl;Educational Measurement: Issues and Practice,2004
3. Crick , J. E. Brennan , R. L. 2001, January http://www.uiowa.edu/~itp/pages/SWGENOVA.SHTML
4. Education Support Services, Nebraska Department of Education 2003 Statistics and facts about Nebraska schools http://ess.nde.state.ne.us/DataCenter/PDF/0203/0203StatsFacts.pdf