References
- Borg, W. R., Ability Grouping in the Public Schools, Dembar Educational Research Services, Madison, Wisconsin, 1966.
- Diederich, P. B., “Pitfalls in the Measurement of Gain in Achievement,” School Review, 64:59–63, 1956.
- Ericksen, G. L., Scientific Inquiry in the Behavioral Sciences: An Introduction to Statistics, Scott, Foresman, Glenview, Illinois, 1970.
- Goldberg, M. A.; Passow, A. H.; Justman, J., The Effects of Ability Grouping: A Comparative Study, Teachers College Press, New York, 1968.
- Heathers, G., “Grouping,” Encyclopedia of Educational Research, Macmillan, London, 1968.
- Kerlinger, F. N., Foundations of Behavioral Research, Holt, Rinehart, and Winston, New York, 1964.
- Levene, H., “Robust Tests for Equality of Variance“, in Olkins, I. (ed.), Contributions to Probability and Statistics, Stanford University Press, 1960.
- Thompson, G. W., The Effects of Ability Grouping upon Achievement in Eleventh Grade American History, doctoral dissertation, University of Virginia, University Microfilms, Ann Arbor, Michigan, 1973.