00383nam a2200133Ia 4500008004100000082002300041100002200064245005000086250001200136260002900148300001400177600002100191650003700212140224s9999    xx            000 0 und d  a314:159.9.001.5 L1  aEdwards, Allen L.  aExperimental design in psychological research  a3rd ed.  aNew DelhibAmerindc1971  axix,455p.  aAllen L. Edwards  aStatistics,Psychology-statistics