TY - BOOK AU - Yackel, Erna. AU - Gravemeijer, K. AU - Sfard, Anna. TI - A journey in mathematics education research : : insights from the work of Paul Cobb SN - 9789048197286 U1 - 510.71 YAC PY - 2011/// CY - Dordrecht : PB - Springer, KW - Mathematics KW - Research KW - Study and teaching KW - Mathematics KW - Study & Teaching KW - Education (General) N1 - Includes index N2 - Our objective is to publish a book that lays out the theoretical constructs and research methodologies within mathematics education that have been developed by Paul Cobb and explains the process of their development. We propose to do so by including papers in which Cobb introduced new theoretical perspectives and methodologies into the literature, each preceded by a substantive accompanying introductory paper that explains the motivation/rationale for developing the new perspectives and/or methodologies and the processes through which they were developed, and Cobb's own retrospective comments ER -