2:15 p.m. Successful students' conceptions of mean, standard deviation, and the central limit theorem. David M. Mathews*, Central Michigan University
(908-00-987)
2:40 p.m. What is dynamic geometry?---How students learn mathematics using Geometer's Sketchpad, Cabri, Geometry Inventor. E. Paul Goldenberg*, Education Development Center
(908-00-981)
3:05 p.m. Enhancing learning in Calculus $II$ with the use of the {\rm TI-92} graphing calculator. Phoebe T. Judson*, Trinity University
(908-00-983)
3:25 p.m. Critical thinking and calculus reform. Connie M. Yarema*, East Texas State University
(908-00-996)
3:45 p.m. The effects of writing to learn mathematics on conceptual and procedural understanding in introductory college calculus. Mary K. Porter*, Saint Mary's College
(908-00-990)
4:05 p.m. Concepts and procedure in mathematics and the $MBTI$. Dennis Sentilles*, University of Missouri, Columbia
Robert F. Wheeler, Northern Illinois University
(908-00-992)
4:25 p.m. Applications of pedagogical principles to undergraduate mathematics curriculum. Guershon Harel, Purdue University, West Lafayette
Richard Cole Penney*, Purdue University, West Lafayette
(908-00-989)
4:45 p.m. Trends in the organization and content of linear algebra courses. Natasha Warikoo*, Educational Development Center
Wayne Harvey, Educational Development Center
(908-00-993)
5:05 p.m. Enhancing fairness in mathematics placement testing. Alvin Baranchik, Hunter College, City University of New York
Barry M. Cherkas*, Hunter College, City University of New York
(908-00-975)
5:25 p.m. A statistical survey of the effectiveness of remedial college mathematics. Timothy W. Flood*, Pittsburgh State University
(908-00-978)
5:45 p.m. Evaluating the effects of changing a mathematics core curriculum. Richard Douglas West*, U. S. Military Academy
(908-00-995)
8:00 a.m. Anxiety in entry level mathematics and speech courses. Bette L. Warren*, Eastern Michigan University
Kathy Stacey, Eastern Michigan University
(908-00-994)
8:20 a.m. Basic algebra via modeling. Susan J. Lamon*, Marquette University
(908-00-986)
8:40 a.m. Symbolism in precalculus mathematics. Lillie F. Crowley*, Lexington Community College
(908-00-976)
9:00 a.m. Students' decision making for learning algebra. Albert D. Otto*, Illinois State University
Cheryl Lubinski, Illinois State University
(908-00-988)
9:25 a.m. An assessment of pedagogical content knowledge for prospective secondary teachers. Christine L. Ebert*, University of Delaware
Linda A. Bolte, Eastern Washington University
(908-00-977)
9:50 a.m. Preservice teachers' levels of understanding functions in multirepresentational environments. David B. Klanderman*, Trinity Christian College
(908-00-985)
10:15 a.m. Student preferences for representations of functions. Brian A. Keller*, Iowa State University
Christian R. Hirsch, Western Michigan University
(908-00-984)
10:40 a.m. Students' use of visual representations in the creation of proofs in advanced calculus. David R. Gibson*, Murray State University
(908-00-979)
11:05 a.m. College students' understanding of proof. Mary M. Goetting*, Georgetown Day School
(908-00-980)
11:25 a.m. Interviewing undergraduate majors about proof. Guershon Harel, Purdue University, West Lafayette
Larry K. Sowder*, San Diego State University
(908-00-991)
11:45 p.m. Making sense of abstract algebra: The student's view. Orit Hazzan*, Technion-Israel Institute of Technology, Israel
Uri Leron, Technion-Israel Institute of Technology, Israel
(908-00-982)