Clark A. Chinn, Rutgers University

A Design Study of a Wireless Interactive Diagnostic System Based on a Mathematics Learning Trajectory - Jere Confrey, North Carolina State University; Drew Corley, North Carolina State University; Alan Maloney, North Carolina State University; Kenny Huy Nguyen, North Carolina State University

Building a Validity Argument for a Measure of Whole Number Problem Solving - Finbarr C. Sloane, National Science Foundation; Brandon Helding, Arizona State University

Choice-Based Assessments - Daniel L. Schwartz, Stanford University

Playing With Theory to Build a Theory of Play - Sasha A. Barab, Arizona State University; Melissa Sommefeld Gresalfi, Vanderbilt University; Adam Ingram-Goble, Arizona State University - Tempe; Anna Arici, Arizona State University

Establishing Principles for Design-Based Psychometric Theory - Anthony E. Kelly, George Mason University; John Y. Baek, National Oceanic and Atmospheric Administration; Brenda Bannan, George Mason University; Patrick Shane Gallagher, Advanced Distributed Learning

Rebecca A. Goldstein, Montclair State University

Bad Teachers Waiting for Superman: Educational Research and Media Exploitation of Public Education - Rebecca A. Goldstein, Montclair State University; Sheila L. Macrine, University of Massachusetts - Dartmouth; Shareen Shibli, North Bergen High School

The Narrowing of the Principles and Purposes of Mathematics Education: Three Decades of Media Reporting - Nataly Z. Chesky, SUNY - College at New Paltz

Educational Affinity Spaces and News Media Discourse: An Approach Using Critical Discourse and Frame Analysis - Drew Berkowitz, Montclair State University

Jennifer Dorsey, Harvard University

“A Place That’s Our Own”: Exploring a Free Space for Urban Youth - Cristen Jenkins, Northeastern Illinois University

Designing an After-School Studio: Engaging Children in Real-World Problems - William John Egnatoff, Queen's University - Kingston; Richard J. Reeve, Queen's University

We Are "Family": Care and Activist Literacy in an Out-of-School Debate Community - Susan Anne Cridland-Hughes, Bard College

Reconceptualizing the Social Construction of Out-of-Class Learning Opportunities Among English as a Second Language Learners in the United States - Yin Lam Lee, St John's University

Robert Lewis Lake, Georgia Southern University

Freire, Bakhtin, and Collaborative Pedagogy: A Dialogue With Students and Mentors - Greg McClure, Appalachian State University; Trevor Thomas Stewart, Appalachian State University

A Consequence of Social Stratification - Anne Lilla Blanchard, Western Washington University

Teacher Leadership: Transformative Relationships in 21st-Century Schools - Eleanor Blair Hilty, Western Carolina University; Michele Anne Acker-Hocevar, Washington State University