00688nam a2200193Ia 4500952009000000999001700090005001700107008004100124020001800165041000800183082001500191100002200206245008100228260004700309300001800356650009200374700002100466942000700487  00104070aRIEBPLbRIEBPLd2019-07-10l0p35673r2019-07-10 00:00:00w2019-07-10yBK  c11874d1187420191106150546.0190710s9999    xx            000 0 und d  a0 470 15066 1  aeng  a151.2 C81A  aCronbach, Lee J.  0aAptitudes and instructional methodsb: a handbook for research on interction  aNew Yorkb:Invington Publisher Inc.,c1977  axviii, 574p.   aPsychology a| Educational tests and measurement a| Teaching a| Statistical analysis   aSnow, Richard E   cBK