1 Begle, E. G.Critical Variables in Mathematics Education: Findings from a Survey of the Empirical Literature. Washington, D. C.: Mathematical Association of America, 1979.
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2 Bloom, Benjamin S.“The New Direction in Educational Research: Alterable Variables.”Phi Delta Kappan, February 1980, pp. 382-385.
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3 Breland, Hunter M. and David Rogosa. Validating Placement Tests. U.S., Educational Resources Information Center, ERIC Document ED126110, 1976.
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4 Callas, Dennis. “Development and Implementation of a Theoretical Model for Mathematics Placement at the College Level: With a Comparative Analysis Between Model and Selected Case Study.”Diss. Nova University, 1980.
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5 Cross, K. Patricia. Accent on Learning: Improving Instruction and Reshaping the Curriculum. San Francisco: Jossey-Bass Publishers, Inc., 1976.
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6 Fiske, Edward B.“Illiteracy in the U.S.: Why John Can't Cope.”New York Sunday Times, April 30, 1978.
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7 Hicks, Charles R.Fundamental Concepts in the Design of Experiments, 2nd ed.New York: Holt, Rinehart and Winston, 1973.
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8 Klein, Anna C. and Douglas R. Whitney. A Discussion and Comparison of Selected Methods for Determining Cut-off Scores for Proficiency and Placement Tests. U.S. Educational Resources Information Center, ERIC Document ED143706, 1977.
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9 Knoell, Dorothy. “Developmental Education: Does it Work?”Community College Review, Fall 1978, pp. 41-47.
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10 Kozma, Robert B.“Communication, Rewards, and the Use of Classroom Innovations.”Journal of Higher Education, January 1979, pp. 761-771.
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11 Kruger, Nancy. “Are Reading and Writing Independent or Dependent Variables?” Unpublished study: Delhi College, 1978.
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12 Pantages, Timothy J.“Studies of College Attrition: 1950-1975.”Review of Educational Research, Winter 1978, pp. 49-101.
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13 Roueche, John. Address made at meeting for the academic deans of the State University of New York, Albany, April 27, 1978.
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14 Roueche, John and Nancy R. Armes. “Basic Skills Education: Point-Counterpoint.”Community and Junior College JournalMarch 1980, pp. 21-24.
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15 Roueche, John and Jerry J. Snow. Overcoming Learning Problems. San Francisco: Jossey-Bass1977.