01755nam 2200421I 450 991070658200332120171116145343.0(CKB)5470000002456624(OCoLC)1011687834(EXLCZ)99547000000245662420171116d2011 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierMiddle school mathematics professional development impact study findings after the second year of implementationExecutive summary /Michael S. Garet [and eleven others] ; Elizabeth Warner, project officerWashington, DC :National Center for Education Evaluation and Regional Assistance, Institute of Education Sciences,2011.1 online resource (xxi pages) illustrations"May 2011.""NCEE 2011-4024."Includes bibliographical references (page xxi).Middle school mathematics professional development impact study Mathematics teachersTraining ofUnited StatesMathematicsStudy and teaching (Middle school)United StatesAcademic achievementUnited StatesMathematics teachersTraining ofMathematicsStudy and teaching (Middle school)Academic achievementGaret Michael S.1386587Warner Elizabeth1386588National Center for Education Evaluation and Regional Assistance (U.S.),GPOGPOBOOK9910706582003321Middle school mathematics professional development impact study3435597UNINA