00506nam a2200133Ia 4500008004100000100001600041245014500057245005900202260004000261260000900301300002600310650001400336650002200350170224s9999    xx            000 0 und d  aNihat Polat  aAcademic growth trajectories of ELLs in NAEP data: The case of fourth- and eighth-grade ELLs and non-ELLs on mathematics and reading tests    cNihat Polat, Ashley Zarecky-Hodge & James B. Schreiber  bThe Journal of Educational Research  c2016  a109:5, Pages: 541-553  xEducation  xSpecial Education