References
Administration for Children and Families, U.S. Department of Health and Human Services. (n.d.). The program manager’s guide to evaluation. Retrieved April 13, 2010, from: http://www.acf.hhs.gov/programs/opre/other_resrch/pm_guide_eval/reports/pmguide/pmguide_toc.html.
Boulmetis, J., & Dutwin, P. (2005). The ABCs of evaluation: Timeless techniques for program and project managers (2nd ed.). San Francisco, CA: Jossey-Bass
Carmines, E.G., & Zeller, R.A. (1979). Reliability and validity assessment. Quantitative Applications in the Social Sciences, 17. Thousand Oaks, CA: Sage Publications, Inc.
Spaulding, D.T. (2008). Program evaluation in practice: Core concepts and examples for discussion and analysis. San Francisco, CA: Jossey-Bass.
Trochim, W. M. (2006). The research methods knowledge base (2nd ed.). Retrieved April 13, 2010, from: http://www.socialresearchmethods.net/kb/.
Worthen, B.R., & Sanders, J. R. (1987). Educational evaluation: Alternative approaches and practical guidelines. New York: Longman.