What Do Teachers Learn From Professional Development Centered on the Use of Classroom Artifacts?
Nanette Seago, Director for Professional Development in Mathematics Through Videocases Project at WestEd, and Lynn Goldsmith from the Education Development Center, will copresent research on the Turning to the Evidence (TTE) project. TTE was developed to examine what teachers learn from practice-based professional development centered on the use of classroom artifacts. The authors studied teachers participating in one of four professional development seminars, two Learning to teach linear functions seminars and two Fostering algebraic thinking seminars. The study used a mixed method design that included pre- and post-program administration of paper-and-pencil measures and also analysis of ethnographic notes and video of seminar sessions and teachers classroom instruction. In addition to the 49 seminar participants, comparison teachers completed the pre/post paper-and-pencil measures, which assessed teachers mathematical knowledge for teaching and analysis of classroom artifacts (video
