00426nam a2200109Ia 4500008004100000020001800041100004100059245012200100260002700222650001400249856005300263171212s9999    xx            000 0 und d  a9780833088062  aStecher, Brian M.;Hamilton, Laura S.  cStecher, Brian M.;Hamilton, Laura S.aMeasuring Hard-to-Measure Student CompetenciesbA Research and Development Plan  bRAND Corporationc2014  aEducation  uhttp://www.jstor.org/stable/10.7249/j.ctt14bs1kh