Tatyana Dvorkin

Math Strategies in Digital Storytelling : Effects of Multiple Pedagogical Agents on Learning Single-Digit Addition Strategies

Jason C. Yip, Cameron L. Fadjo, Tamara L. Clegg, 2012 .

The Impact of Choice and Feedback on Learning , Motivation , and Performance in an Educational Video Game

Charles K. Kinzer, Selen Türkay, Daniel L. Hoffman, 2012 .