The Experimental Unit in Statistical Analysis

Brunswik, E. Representative design and probabilistic theory in a functional psychology . Psychological Review, 1955, 62, 193-217.

Campbell, D.T. & Stanley, J.C. Experimental and quasi-experimental designs in research on teaching . In N. L. Gage (Ed.), Handbook of Research on Teaching. Chicago: Rand-McNally, 1963.

Cochran, W.G. The distribution of the largest of a set of estimated variances as a fraction of their total. Annals of Eugenics, 1941, 11, 47-52.

Cooley, W. & Lohnes, P. Multivariate procedures for the behavioral sciences. New York: John Wiley, 1962.

Cornell, F. The essentials of educational statistics. New York : John Wiley, 1956.

Cox, D.R. Planning of experiments. New York: Wiley & Sons, 1958.

Ferguson, G.A. Statistical analysis in psychology and education. (1st ed.) New York: McGraw-Hill, 1959.

Fletcher, H.J. Possible interpretive problems in analyses using group means as the experimental unit. Psychological Bulletin, 1968, 69, 157-60.

Glass, G.V. & Stanley, J.C. Statistical methods in education and psychology. Engelwood Cliffs, N.J.: Prentice-Hall, 1970 .

Guenther, W. Analysis of variance. Englewood Cliffs, N.J.: Prentice-Hall, 1964.

Hartley, H.O. The maximum F-ratio as a short-cut test for heterogeneity of variance . Biometrika, 1950, 51, 308-12.

Hays, W. Statistics for psychologists. New York: Holt, Rinehart and Winston, 1963.

Hovland, C.I. , Lumsdaine, A.A. & Sheffield, F.D. Experiments on mass communication. Princeton, N.J.: Princeton University Press , 1949.

Kershner, J.R. Doman-Delacato theory of neurological organization applied with retarded children . Exceptional Children, 1967, 34, 441-50.

Kirk, R.E. Experimental design: Procedures for the behavioral sciences. Belmont, Calif.: Brooks/ Cole, 1968.

Lille, D.L. The effects of motor development lessons on mentally retarded children . American Journal of Mental Deficiency, 1968, 72, 803-8.

Lindquist, E.F. Design and analysis of experiments in psychology and education. Boston: Houghton Mifflin, 1953.

Lord, F.M. A Paradox in interpretation of group comparisons. Psychological Bulletin, 1967, 68, 304-5.

Lumsdaine, A.A. Instruments and media of instruction. In N. L. Gage (Ed.), Handbook of Research on Teaching. Chicago: Rand-McNally, 1963.

Page, E.B. Recapturing the richness within the classroom. Paper presented at the Annual Meeting of the American Educational Research Association, Chicago, February 11, 1965 .

Raths, J. The appropriate experimental unit. Educational Leadership , 1967, 263-6.

Steck, J.C. The independence of observations obtained in classroom research. Unpublished M.A. thesis. College Park, Md.: University of Maryland, 1966.

Winer, B.J. Statistical principles in experimental design. New York : McGraw-Hill, 1962.

Wright, D.J. Groups and experimental units in educational research. Paper presented at the Annual Meeting of the American Educational Research Association, Los Angeles, February 7, 1969.