Director and Principal Investigator

Maria Teresa Tatto, Associate Professor in the Department of Teacher Education, Michigan State University.

Team

Mark Reckase, University Distinguished Professor of measurement and quantitative methods, Michigan State University.

Sandra Crespo, Associate Professor in the Department of Teacher Education, Michigan State University.

Tenko Raykov, Professor of measurement and quantitative methods, Michigan State University.

Jean Dumais, Statistics Canada – sampling expert

Joseph Tobin, Arizona State University –coordinator for the video study

Edward Silver, University of Michigan – mathematics and mathematics pedagogy expert.

Kiril Bankov, University of Sofia – senior research coordinator for mathematics, mathematics pedagogy knowledge and curriculum analysis.

Patrick Leahy – graduate assistant, Michigan State University

Giovanna Moreano – graduate assistant, Michigan State University