An experiment may be easier to design than to carry out. Imperfect execution produces imperfect results.
Get full access to this article
View all access options for this article.
References
1.
CAMPBELL, D. (1969) "Reforms as experiments."Amer. Psychologist24 (April): 409-429.
2.
COHEN, D. K. (1970) "Politics and research: evaluation of social action programs in education."Rev. of Educational Research40: 213-238.
3.
Graduate School of Education, Harvard University (1973) "The Wilmington public schools: a preliminary needs assessment."Cambridge, Mass.: Harvard University.
4.
GROSS, N. , J. B. GIAQUINTA, and M. BERSTEIN (1971) "Implementing Organizational Innovation. New York: Basic Books.
5.
RAFFEL, J. A. (1974) The Challenge of Educational Change: An Evaluation of the Follow Through Program in the Wilmington Public Schools. Newark, Del.: University of Delaware Division of Urban Affairs.
6.
RIVLIN, A. M. and P. M. TIMPANE [eds.] (1975) Planned Variation in Education: Should We Give Up or Try Harder. Washington, D.C.: Brookings.
7.
SHEDD, M. (1973) The Wilmington Public Schools: A Preliminary Needs Assessment. Cambridge, Mass.: Harvard University Graduate School of Education.
8.
WEISS, R. S. and M. REIN (1972) "The evaluation of broad aim programs: difficulties in experimental design and an alternative," pp. 236-249 in C. Weiss, Evaluating Action Programs: Readings in Social Action and Education. Boston: Allyn & Bacon.