Robert C. Schoen|Mark LaVenia|Eric Chicken|Rabieh Razzouk|Zahid Kisa
Increasing secondary-level teachers’ knowledge in statistics and probability: Results from a randomized controlled trial of a professional development program
Florida State University|Florida State University|Florida State University|Florida State University
reflecting growing emphasis data analysis statistical thinking information age mathematics curriculum standards us recently increased expectations student learning domain statistics probability 180 teachers 36 public school districts florida applied twoweek summer institute designed increase teachers content pedagogical content knowledge statistics probability individual teachers assigned random treatment businessasusual comparison group twoweek institute increased teachers knowledge statistics data analyses identified interaction years teaching experience treatment indicating teachers 10 years experience larger knowledge gains lessexperienced peers results underscore need professional development teachers may implement policies emphasizing branch mathematical sciences secondary mathematics curriculum given observed lower baseline knowledge scores teachers years teaching experience posit implications particularly applicable teachers completed formal education 10 years ago