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If you have questions about the tasks or would like more information, please contact the lead PI for the project, Dr. Babette Benken.

Babette Benken
Richard D. Green Professor of Mathematics Education
Mathematics and Statistics Department
911³Ô¹Ï±¬ÁÏÃâ·Ñ¹Û¿´Èë¿ÚState University, Long Beach
Babette.Benken@csulb.edu