%0 Journal Article %T What Learner-Centered Professional Development Looks Like: The Pilot Studies of the InterMath Professional Development Project %A Chandra Hawley Orrill %J Mathematics Educator %D 2006 %I University of Georgia %X In recent years professional developers have reached a consensus about what constitutes effective professionaldevelopment, referred to in the literature as ¡°learner-centered professional development.¡± InterMath is a professional development project that was developed to address the recommendations for high quality professional development for middle grades mathematics teachers. In this report, I will highlight two cases of InterMath implementation. Then, I will offer a discussion of changes that have been made to InterMath in light of the findings from the pilot studies and report preliminary analysis of the impact of these changes. %U http://math.coe.uga.edu/TME/Issues/v16n1/v16n1_Orrill.pdf