• Does Eighth-Grade Mathematics Teaching in the United States Align With the NCTM Standards? Results From the TIMSS 1995 and 1999 Video Studies

    Jennifer E. Jacobs, James Hiebert, Karen Bogard Givvin, Hilary Hollingsworth, Helen Garnier, Diana Wearne
    Results From the TIMSS 1995 and 1999 Video Studies Jennifer K. Jacobs University of Colorado at Boulder James Hiebert University of Delaware Karen Bogard Givvin LessonLab Research Institute Hilary Hollingsworth Educational Consul