Cross-Validation of the Orleans-Hanna Algebra Prognosis Test and the Orleans-Hanna Geometry Prognosis Test

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 delivered at the 1969 Annual Meeting of the National Council on Measurement in Education, Los Angeles, California, February, 1969.

Orleans, J. B. and Hanna, G. S. Orleans-Hanna Algebra Prognosis Test Manual. New York: Harcourt Brace Jovanovich, Inc. 1968. (a)

Orleans, J. B. and Hanna, G. S. Orleans-Hanna Geometry Prognosis Test Manual. New York: Harcourt Brace Jovanovich, Inc. , 1968. (b)