Kate Sanders Sally Fincher Dennis J. Bouvier Gary Lewandowski Briana B. Morrison Laurie Murphy Marian Petre Brad Richards Josh D. Tenenberg Lynda Thomas Richard J. Anderson Ruth E. Anderson Sue Fitzgerald Alicia Gutschow Susan M. Haller Raymond Lister Renée McCauley John McTaggart Christine Prasad Terry Scott Dermot Shinners-Kennedy Suzanne Westbrook Carol Zander A multi-institutional, multinational study of programming concepts using card sort data. 121-128 2005 22 Expert Systems 3 http://dx.doi.org/10.1111/j.1468-0394.2005.00303.x db/journals/es/es22.html#SandersFBLMMPRTTAAFGHLMMPSSWZ05