00968nam a2200121Ia 4500008004100000020001800041100016500059245032000224260002700544650001400571650021900585856004200804171212s9999 xx 000 0 und d a9780833039644 aLe, Vi-Nhuan;Stecher, Brian M.;Lockwood, J. R.;Hamilton, Laura S.;Robyn, Abby;Vi-Nhuan Le, ;Brian M. Stecher, ;J. R. Lockwood, ;Laura S. Hamilton, ;Abby Robyn,  cLe, Vi-Nhuan;Stecher, Brian M.;Lockwood, J. R.;Hamilton, Laura S.;Robyn, Abby;Vi-Nhuan Le, ;Brian M. Stecher, ;J. R. Lockwood, ;Laura S. Hamilton, ;Abby Robyn, aImproving Mathematics and Science EducationbA Longitudinal Investigation of the Relationship Between Reform-Oriented Instruction and Student Achievement bRAND Corporationc2006 aEducation aMathematics -- Study and teaching (Elementary) -- United States; Science -- Study and teaching (Elementary) -- United States; Education -- Aims and objectives -- United States; Academic achievement -- United States uwww.jstor.org/stable/10.7249/mg480nsf