probability instruction

Konold, C. & Madden, S. & Pollatsek, A. & Pfannkuck, M. & Wild, C. & Ziedins, I. & Finzer, W. & Horton, N. J. & Kazak, S. (2011), "Conceptual challenges in coordinating theoretical and data-centered estimates of probability", Mathematical Thinking and Learning, 13, 68-86.