Bligh, H. F., Lenke, J. M. , and Hanna, G. S.The Contribution of Grades and Work-Sample Tests to the Prediction of Mid-Year and End-of-Year Success in High School Mathematics. Paper presented at the Annual Meeting of the National Council on Measurement in Education, Los Angeles, California, February, 1969.
2.
Hanna, G. S.A Summary of the Literature of Geometry Prediction With Emphasis upon Methodology and Theory. School Science and Mathematics, 1966, 66, 723-728.
3.
Ivanoff, J. M., Evermode, T. D., and Praem, O.Use of Discriminant Analysis for Selecting Students for Ninth-Grade Algebra or General Mathematics. The Mathematics Teacher, 1965, 58, 412-416.
4.
Orleans, J. B. and Hanna, G. S.Manual: Orleans-Hanna Geometry Prognosis Test. New York: Harcourt, Brace & World, Inc., 1968.
