Invited Lectures:    2000/10/17: Assessment and Evaluation in Undergraduate Mathematics Education   invited lecture 2000/05/03: Use of Computers in Calculus Courses   UNC - Chapel Hill invited lecture 2000/02/12: Duke University's Mathematics Department Outreach to Secondary Mathematics Teachers: Problems, Potential, and Pitfalls   Invitational Conference on K-12 Outreach from University Science Departments Raleigh, NC contributed paper 1999/11/06: Learning Using Web-Based Modules: What Students are Actually Doing A Very Preliminary Report    International Conference on Technology in Collegiate Mathematics, San Francisco, CA contributed paper 1999/01/15: The Effect of Calculus Reform on Student Performance in Subsequent Courses Joint Mathematics Meetings, San Antonio, TX contributed paper 1998/01/31: Calculus Student's Interpretation of Their Computations Using Real World Data Joint Mathematics Meetings, Baltimore, MD contributed paper 1997/01/31: The Evaluation Process for Duke University's Project   MER Special Session, Joint Mathematics Meetings, San Diego, CA contributed paper 1997/01/31: Continuous Assessment    Joint Mathematics Meetings, San Diego, CA contributed paper Private Comments: with David Smith 1996/08/31: An Efficient Alternative to Lecturing Joint Mathematics Summer Meetings, Seattle, WA contributed paper 1996/08/31: Project CALC at Duke - How Do We Know If It Works?   Joint Mathematics Summer Meetings, Seattle, WA contributed paper 1996/03/29: Evaluating Calculus Reform at Duke University   Appalachian State University, Boone, NC Invited lecture 1996/01/31: Seven Years of Project CALC at Duke University - Approaching a Steady State?    Joint Mathematics Meetings, Orlando, FL contributed paper 1995/01/31: Student Performancs in Courses Beyond Calculus - A Comparison of Students in Pro   Joint Mathetacis Meetings, San Francisco, CA contributed paper 1995/01/31: TA Training of Lab Based Calculus Courses at Duke University    Joint Mathematics Meetings, San Francisco, CA contributed paper 1994/10/15: Project CALC at Duke University    The Third Carolinas Mathematics Conference, Charlotte, NC contributed paper 1994/09/01: Calculus Reform Program Evaluation conference of the Metrolina Calculus Consortium, Davidson, NC invited lecture 1994/06/26: Assessment and Evaluation of Calculus Reform   The Third Conference on the Teaching of Calculus, Ann Arbor, MI panel discussion 1994/01/15: Is It Enough to Reform Calculus? What Happened to Students After Project CALC Joint Mathematics Meetings, Cincinnati, OH contributed paper 1993/11/15: Four Years of Evaluation: What Have We Learned About Project CALC?   Sixth Annual International Conference on Technology in Collegiate Mathematics, Parsippany, NJ contributed paper 1993/04/01: An Evaluation of Calculus Reform at Duke University    Southeast Section meeting of the Mathematics Association of America, Conway, SC contributed paper 1993/03/06: Evaluating Student Learning in Duke University's Project CALC Central Regional Annual Conference of the North Carolina Council of Teachers of Mathematics, Durham, NC contributed paper 1993/01/15: Different Goals, Different Assessments - Evaluating Student Learning in Project CAL Joint Mathematics Meetings, San Antonio, TX contributed paper 1992/08/01: Evaluation of Project CALC    th International Conference on Mathematical Education, Quebec, Canada contributed paper 1992/03/12: Project CALC at Duke University Central Regional Annual Conference of the North Carolina Council of Teachers of Mathematics, Durham, NC contributed paper 1992/01/15: Metacognitive Behavior in Four Types of Mathematics Problems - An Expert-Novice Study   Joint Mathematics Meetings, Baltimore, MD contributed paper 1991/04/15: Program Evaluation in Mathematics Education   Presession of the American Educational Research Association and National Council of Teachers of Mathematics, New Orleans, LA contributed paper